{ "name": "Roll Up Door Parts Diagram: Three-Family Terminology and Reference Dataset", "publisher": "Fort Wayne Dock Door Repair", "version": "1.1", "dateModified": "2026-09-11", "description": "Original documentary compilation: 41 functional terminology mappings, 12 scoped count records, 41 specification/reference records, nine brand records and reproducible DASMA entry lists. Not an inventory of universal parts, a compatibility approval, an equipment test or an adjustment manual.", "summary_counts": { "tds277": { "sheet": "DASMA TDS #277 Rolling Door Terminology (Rev. 6/20)", "total_entries": 165, "defined_terms": 133, "cross_references": 32, "fire_door_only_terms": 29 }, "tds283": { "sheet": "DASMA TDS #283 Rolling Sheet Door Terminology (Reaff. 1/24)", "total_entries": 50, "defined_terms": 44, "cross_references": 6, "fire_door_only_terms": 0 }, "crosswalk_rows": 41, "sources": 49, "diagram_callouts": 62, "diagram_callouts_by_figure": [ 20, 20, 22 ], "crosswalk_records": 41, "parts_count_records": 12, "specification_reference_records": 41, "brand_records": 9, "diagram_count_basis": "Distinct numbered legend identifiers per figure: 20 + 20 + 22. Repeated callout placements within a figure are not counted again; concepts repeated between figures remain separate legend entries." }, "crosswalk": [ { "concept": "Curtain (the door leaf that coils)", "family": "rolling steel; sheet", "dasma_term": "Curtain (Rolling Door) — TDS 277; Curtain — TDS 283", "cornell_cookson": "Curtain (interlocking roll-formed galvanized slats)", "overhead_door": "Curtain", "wayne_dalton": "Curtain / curtain assembly (DS-350); curtain (800)", "janus_dbci": "26 Ga. Corrugated Curtain (item 7)", "trac_rite": "Door Curtain Assembly (item 5) / door nest (curtain coiled with axle)", "whiting_truck": "n/a — truck doors use hinged panels (see Panels row)", "what_it_does": "The part that closes the opening. On a rolling steel door it is a stack of interlocked slats; on a sheet door it is corrugated sheets seamed together.", "sources": "S1; S2; S10; S16; S21; S24; S27", "tier": "★", "checked": "2026-09-11", "id": "CW01", "mapping_notes": "Functional/terminology comparison within the stated door family, not a compatibility approval. Blank cells mean not mapped, not necessarily absent. The related-terms column includes both genuine alternate names and associated components; it does not label every term a synonym.", "dasma_related_terms": "—" }, { "concept": "Curtain slat (one horizontal piece of a steel curtain)", "family": "rolling steel", "dasma_term": "Curtain Slats — TDS 277", "cornell_cookson": "Curtain slats; standard curtain slats; starter slats", "overhead_door": "Slats — profiles C-187, F-265, F-265E, C-600", "wayne_dalton": "slats (roll-formed, interlocking)", "janus_dbci": "n/a (sheet doors have no slats)", "trac_rite": "n/a", "whiting_truck": "n/a", "what_it_does": "Formed metal member that interlocks with the slat above and below. Manufacturers' slat profiles are not necessarily interchangeable (DASMA TDS 287).", "sources": "S1; S11; S17; S22; S6", "tier": "★", "checked": "2026-09-11", "id": "CW02", "mapping_notes": "Functional/terminology comparison within the stated door family, not a compatibility approval. Blank cells mean not mapped, not necessarily absent. The related-terms column includes both genuine alternate names and associated components; it does not label every term a synonym.", "dasma_related_terms": "Slat (See Curtain Slat)" }, { "concept": "Curtain panel (one corrugated sheet of a sheet door)", "family": "sheet", "dasma_term": "Curtain Panel — TDS 283", "cornell_cookson": "n/a", "overhead_door": "n/a", "wayne_dalton": "door panel corrugation (DS-350)", "janus_dbci": "corrugated curtain (26 ga)", "trac_rite": "roll-formed sections, factory-seamed (26 ga Grade 80)", "whiting_truck": "n/a", "what_it_does": "A formed metal sheet with horizontal hems; hems are seamed to the next sheet to make the curtain.", "sources": "S2; S21; S24; S29", "tier": "★", "checked": "2026-09-11", "id": "CW03", "mapping_notes": "Functional/terminology comparison within the stated door family, not a compatibility approval. Blank cells mean not mapped, not necessarily absent. The related-terms column includes both genuine alternate names and associated components; it does not label every term a synonym.", "dasma_related_terms": "Door Sheet is a cross-reference to Curtain Panel. Hem, Seam and Top Sheet are distinct related terms." }, { "concept": "Top slat / starter slats / fastening section (attaches the curtain to the barrel)", "family": "rolling steel", "dasma_term": "Starter Slats — TDS 277", "cornell_cookson": "Starter slats (Cornell); Curtain Fastening Section — ~12\" of heavy-gauge slat per shaft ring (Cookson)", "overhead_door": "Top slat; model-specific connection to rings or studs.", "wayne_dalton": "—", "janus_dbci": "Top Sheet (TDS 283 term); the 650 guide does not itemize it", "trac_rite": "—", "whiting_truck": "n/a", "what_it_does": "Partial or reinforced slats that connect the curtain to the barrel or barrel rings.", "sources": "S1; S10; S11; S16", "tier": "★", "checked": "2026-09-11", "id": "CW04", "mapping_notes": "Functional/terminology comparison within the stated door family, not a compatibility approval. Blank cells mean not mapped, not necessarily absent. The related-terms column includes both genuine alternate names and associated components; it does not label every term a synonym.", "dasma_related_terms": "—" }, { "concept": "Endlock (keeps slats from sliding sideways)", "family": "rolling steel", "dasma_term": "Endlock — TDS 277", "cornell_cookson": "Curtain Endlocks — nylon or cast iron on the ends of alternate slats", "overhead_door": "Endlocks (checked in final test so they do not rub the headplates)", "wayne_dalton": "—", "janus_dbci": "n/a", "trac_rite": "n/a", "whiting_truck": "n/a", "what_it_does": "Limits lateral movement of individual slats in the documented slatted construction.", "sources": "S1; S10; S16", "tier": "★", "checked": "2026-09-11", "id": "CW05", "mapping_notes": "Functional/terminology comparison within the stated door family, not a compatibility approval. Blank cells mean not mapped, not necessarily absent. The related-terms column includes both genuine alternate names and associated components; it does not label every term a synonym.", "dasma_related_terms": "—" }, { "concept": "Windlock (holds the curtain in the guides under wind load)", "family": "rolling steel; sheet", "dasma_term": "Windlock — TDS #277/#283; Wind Bar — associated guide member", "cornell_cookson": "Windlock; 'windlock flat' inside the guide", "overhead_door": "Wind locks", "wayne_dalton": "interior windlock return on the DS-350 guide", "janus_dbci": "Windlocks ('should never be removed from curtain')", "trac_rite": "Curtain Windlocks (item 6, 944WL)", "whiting_truck": "n/a", "what_it_does": "Engages the specified guide/wind-bar arrangement to resist curtain withdrawal under wind load; capacity is assembly-specific.", "sources": "S1; S2; S11; S16; S21; S24; S28", "tier": "★", "checked": "2026-09-11", "id": "CW06", "mapping_notes": "Functional/terminology comparison within the stated door family, not a compatibility approval. Blank cells mean not mapped, not necessarily absent. The related-terms column includes both genuine alternate names and associated components; it does not label every term a synonym.", "dasma_related_terms": "Bar Stop is a cross-reference to Wind Bar in TDS #277." }, { "concept": "Bottom bar (stiffener along the bottom edge)", "family": "rolling steel; sheet; truck (as bottom channel)", "dasma_term": "Bottom Bar — TDS 277 and TDS 283", "cornell_cookson": "Bottom bar (+ bottom bar reinforcement shape/tube, bottom bar cover on Defender); Door Bottom Bar — extruded aluminum (Cookson)", "overhead_door": "Bottom bar", "wayne_dalton": "double-angle bottom bar (800C); bottom bar angle (DS-350)", "janus_dbci": "Bottom Bar Assembly (item 10)", "trac_rite": "Bottom Assembly (item 7)", "whiting_truck": "Bottom U-Channel / bottom channel (aluminum or steel) on the bottom panel", "what_it_does": "Reinforces the lower curtain edge; attached seal, lock, handle and sensing equipment depend on the assembly.", "sources": "S1; S2; S10; S11; S16; S21; S22; S24; S27; S31", "tier": "★", "checked": "2026-09-11", "id": "CW07", "mapping_notes": "Functional/terminology comparison within the stated door family, not a compatibility approval. Blank cells mean not mapped, not necessarily absent. The related-terms column includes both genuine alternate names and associated components; it does not label every term a synonym.", "dasma_related_terms": "Sloped Bottom Bar; Tapered Bottom Bar" }, { "concept": "Astragal / bottom seal", "family": "rolling steel; sheet; truck", "dasma_term": "Astragal — TDS 277", "cornell_cookson": "bottom astragal / weather-seal on bottom bar", "overhead_door": "weatherstripping on the bottom bar (620/625)", "wayne_dalton": "—", "janus_dbci": "Bottom Bar Astragal (item 9)", "trac_rite": "Seal-Rite bulb-and-blade astragal (bottom assembly)", "whiting_truck": "Bottom Seal (item 12)", "what_it_does": "Compressible seal on the bottom edge that closes the gap to the floor.", "sources": "S1; S10; S16; S24; S29; S31", "tier": "★", "checked": "2026-09-11", "id": "CW08", "mapping_notes": "Functional/terminology comparison within the stated door family, not a compatibility approval. Blank cells mean not mapped, not necessarily absent. The related-terms column includes both genuine alternate names and associated components; it does not label every term a synonym.", "dasma_related_terms": "—" }, { "concept": "Barrel assembly (the horizontal pipe at the head that the curtain coils on)", "family": "rolling steel", "dasma_term": "Barrel Assembly — TDS 277", "cornell_cookson": "Barrel assembly; curtain/barrel assembly (Cornell); Counter-Balance Shaft (Cookson illustrator)", "overhead_door": "Barrel Assembly — tension end and drive end; rotating shaft; rigid drive shaft", "wayne_dalton": "spring barrel — 'serves as a load-carrying beam' (800/800C)", "janus_dbci": "n/a — sheet doors use an axle (next row)", "trac_rite": "n/a", "whiting_truck": "n/a", "what_it_does": "Head-area barrel supporting the coiling curtain; contains counterbalance springs in the spring-equipped example.", "sources": "S1; S10; S11; S16; S22", "tier": "★", "checked": "2026-09-11", "id": "CW09", "mapping_notes": "A barrel assembly, sheet-door axle assembly and truck balancer have related head-area roles but different mechanics. Spring-equipped and springless designs differ. The related-terms column includes both genuine alternate names and associated components; it does not label every term a synonym.", "dasma_related_terms": "Pipe Shaft (See Barrel Assembly)" }, { "concept": "Axle assembly: related head-area assembly in the sheet-door examples", "family": "sheet", "dasma_term": "Axle Assembly — TDS 283", "cornell_cookson": "n/a", "overhead_door": "n/a", "wayne_dalton": "axle (DS-350)", "janus_dbci": "1\" O.D. Axle (item 2) plus 9-1/2\" Spiral Barrel (item 1) — Janus uses 'barrel' for the drum", "trac_rite": "Live Axle Assembly (item 1); Axle (item 4)", "whiting_truck": "Balancer Shaft (truck door; carries springs and cable drums, not the curtain)", "what_it_does": "Horizontal shaft at the head that supports the curtain and carries the springs. 'Live' turns with the door; 'dead' stays still.", "sources": "S2; S21; S24; S27; S31", "tier": "★", "checked": "2026-09-11", "id": "CW10", "mapping_notes": "Functional/terminology comparison within the stated door family, not a compatibility approval. Blank cells mean not mapped, not necessarily absent. The related-terms column includes both genuine alternate names and associated components; it does not label every term a synonym.", "dasma_related_terms": "Live Axle and Dead Axle describe different behavior. Axle Collar and Saddle are distinct associated components." }, { "concept": "Barrel ring / drum (builds the coil diameter)", "family": "rolling steel; sheet", "dasma_term": "Barrel Ring — TDS 277; Drum — TDS 283", "cornell_cookson": "Ring (Cornell); Shaft Ring (Cookson)", "overhead_door": "Rings (or studs) on the barrel", "wayne_dalton": "drum wheel (DS-350)", "janus_dbci": "9-1/2\" Spiral Barrel (item 1); 'mini reinforced drum w/ bearing' in the ATA retrofit list", "trac_rite": "Drum (item 2); Model 944 specifies 9-5/8-in. drums and count by door width.", "whiting_truck": "Cable Drum and Bearing Assembly (different job — winds the lift cable)", "what_it_does": "Stamped or cast ring/drum on the shaft that the top of the curtain attaches to; sets the starting coil diameter.", "sources": "S1; S2; S10; S11; S16; S21; S24; S25; S29; S31", "tier": "★", "checked": "2026-09-11", "id": "CW11", "mapping_notes": "Functional/terminology comparison within the stated door family, not a compatibility approval. Blank cells mean not mapped, not necessarily absent. The related-terms column includes both genuine alternate names and associated components; it does not label every term a synonym.", "dasma_related_terms": "—" }, { "concept": "Counterbalance assembly / torsion spring", "family": "rolling steel; sheet; truck", "dasma_term": "Counterbalance Assembly; Torsion Spring; Helical — TDS 277; Counterbalance Assembly; Torsion Spring; Spring Hook — TDS 283", "cornell_cookson": "counterbalance torsion springs inside the shaft", "overhead_door": "spring pinned inside the barrel (spring configuration differs LH vs RH drive)", "wayne_dalton": "counterbalance mechanism inside the spring barrel (800); door springs (DS-350)", "janus_dbci": "Spring/Counterbalance Assembly (item 3)", "trac_rite": "Spring (item 3); Model 944 specifies spring count by door width.", "whiting_truck": "Balancer Assembly (2376, 7176, 4090) — torsion springs on a shaft with cable drums", "what_it_does": "Helical torsion spring(s) that offset the hanging weight of the curtain. On truck doors the springs lift through cables and drums rather than by coiling.", "sources": "S1; S2; S10; S16; S21; S22; S24; S27; S31", "tier": "★", "checked": "2026-09-11", "id": "CW12", "mapping_notes": "Functional/terminology comparison within the stated door family, not a compatibility approval. Blank cells mean not mapped, not necessarily absent. The related-terms column includes both genuine alternate names and associated components; it does not label every term a synonym.", "dasma_related_terms": "Spring Counterbalance (See Counterbalancing)" }, { "concept": "Drive shaft / plug end (the end that the operator or chain turns)", "family": "rolling steel", "dasma_term": "Drive Shaft; Plug End — TDS 277", "cornell_cookson": "Gear end; inner shaft (Cornell)", "overhead_door": "Drive shaft / drive end (stamped R or L)", "wayne_dalton": "—", "janus_dbci": "drive end (non-tensioner)", "trac_rite": "—", "whiting_truck": "—", "what_it_does": "Drive-end components transmit torque to the barrel; connection details depend on the specified assembly.", "sources": "S1; S11; S16; S24", "tier": "★", "checked": "2026-09-11", "id": "CW13", "mapping_notes": "Drive and tension ends need not be one mechanically equivalent shaft; follow the specific source drawing. The related-terms column includes both genuine alternate names and associated components; it does not label every term a synonym.", "dasma_related_terms": "Drive Plug Assembly (See Plug End)" }, { "concept": "Tension wheel (where spring tension is set and locked)", "family": "rolling steel; sheet; truck (winding cone)", "dasma_term": "Tension Wheel and Charge Pin — TDS #277; Tensioning Device — TDS #283", "cornell_cookson": "Adjusting wheel / adjustor + adjustor pin + cotter pin (Cornell); on the Adjustor Bracket (Cookson)", "overhead_door": "Tension wheel + tension pin + tension stop; Initial Turns on the headplate decal", "wayne_dalton": "tensioner and tensioner support ('axle tensioner devices', DS-350); adjusting wheel (800)", "janus_dbci": "Tensioner Ratchet Wheel (item 4) + tensioner pawl", "trac_rite": "Tension Adjustment Wheel (item 15) + tension pawl + tension lock pin", "whiting_truck": "Winding Cone (2518COM, 7549COM) / Spring Winding Plug (4050COM)", "what_it_does": "Hardware belonging to the spring-tension setting and retention system. Identification only; trained-technician work.", "sources": "S1; S2; S10; S11; S16; S21; S22; S24; S27; S31", "tier": "★", "checked": "2026-09-11", "id": "CW14", "mapping_notes": "Functional/terminology comparison within the stated door family, not a compatibility approval. Blank cells mean not mapped, not necessarily absent. The related-terms column includes both genuine alternate names and associated components; it does not label every term a synonym.", "dasma_related_terms": "Adjusting Wheel and Charge Wheel are alternate terms. Initial/working turns describe spring-setting quantities, not interchangeable hardware." }, { "concept": "Brackets / headplates (end plates that carry the barrel or axle)", "family": "rolling steel; sheet", "dasma_term": "Brackets — TDS 277; Brackets; Head Plates; End Bearing Plates — TDS 283", "cornell_cookson": "Adjustor Bracket and Operator Bracket (bracket plates; drive plate vs tension plate)", "overhead_door": "Headplate brackets — drive headplate and tension headplate", "wayne_dalton": "brackets / support brackets (DS-350); brackets 'steel to support counterbalance and curtain' (800 HC spec)", "janus_dbci": "Bracket (item 5) — snap-on or bolt-on to the guide", "trac_rite": "Left / Right Door Bracket (item 8)", "whiting_truck": "Balancer Brackets — roadside, curbside, center (carry the balancer shaft)", "what_it_does": "Plates bolted to the wall or guide wall angles that support the barrel/axle and close the ends of the hood.", "sources": "S1; S2; S10; S16; S24; S27; S36", "tier": "★", "checked": "2026-09-11", "id": "CW15", "mapping_notes": "TDS #283 distinguishes head plates for lateral containment with a dead axle from end bearing plates supporting dead load with a live axle. General support brackets and motor-mounting brackets are not universally synonymous. The related-terms column includes both genuine alternate names and associated components; it does not label every term a synonym.", "dasma_related_terms": "End Plates; Headplates (See Brackets)" }, { "concept": "Bracket bearing", "family": "rolling steel; truck", "dasma_term": "No separate bearing term mapped in this crosswalk edition.", "cornell_cookson": "Bracket bearing (Cornell)", "overhead_door": "drive bracket bearing; cast flange bearing; set collars", "wayne_dalton": "—", "janus_dbci": "—", "trac_rite": "—", "whiting_truck": "Cable Drum and Bearing Assembly; Bearing and Retainer Assembly (GP)", "what_it_does": "Bearing in the headplate through which the shaft turns.", "sources": "S11; S16; S31", "tier": "★", "checked": "2026-09-11", "id": "CW16", "mapping_notes": "Functional/terminology comparison within the stated door family, not a compatibility approval. Blank cells mean not mapped, not necessarily absent. The related-terms column includes both genuine alternate names and associated components; it does not label every term a synonym.", "dasma_related_terms": "—" }, { "concept": "Guide (vertical track each curtain edge runs in)", "family": "rolling steel; sheet", "dasma_term": "Guide; Wall Angle; \"E\" Guides; \"Z\" Guides; Guide Standout; Setback; Packout — TDS 277; Guide; Jamb Clip — TDS 283", "cornell_cookson": "Guide assembly: wall angle, inner shape, outer angle, windlock flat, guide gap, guide packoff, guide tube, mounting plate (Cornell); Guides — structural steel angles (Cookson)", "overhead_door": "Guides: 'E' guide or 'Z' guide; jamb angle, wall angle, middle angle, outside angle; guide gap; 'S' distance", "wayne_dalton": "guides + wall angle ('H' dimension 1-3/4\", DS-350); side guides/channels (800 HC)", "janus_dbci": "LH Guide (13), RH Guide (14)", "trac_rite": "Door Guide (item 9) with bent curtain lead-in; masonry clip", "whiting_truck": "n/a — truck doors use Vertical Track, Horizontal Track and Mounting Angle with rollers", "what_it_does": "Jamb-mounted assembly that guides and retains the curtain edges. The referenced steel-door examples use angle-based guides and the sheet-door examples use formed channels.", "sources": "S1; S2; S10; S11; S16; S21; S24; S27; S31", "tier": "★", "checked": "2026-09-11", "id": "CW17", "mapping_notes": "Functional/terminology comparison within the stated door family, not a compatibility approval. Blank cells mean not mapped, not necessarily absent. The related-terms column includes both genuine alternate names and associated components; it does not label every term a synonym.", "dasma_related_terms": "Jamb Angle (See Wall Angle); Inset (See Setback)" }, { "concept": "Bellmouth (flared top of the guide)", "family": "rolling steel; sheet", "dasma_term": "Bellmouth — TDS 277", "cornell_cookson": "Removable bellmouth (Cornell); Guide Bellmouth (Cookson)", "overhead_door": "flared inside/outside angles; bellmouth stops", "wayne_dalton": "—", "janus_dbci": "—", "trac_rite": "Bent curtain lead-in (guide)", "whiting_truck": "n/a", "what_it_does": "Flared upper portion of the guide that eases the curtain's entry from the coil.", "sources": "S1; S10; S11; S16; S27", "tier": "★", "checked": "2026-09-11", "id": "CW18", "mapping_notes": "Functional/terminology comparison within the stated door family, not a compatibility approval. Blank cells mean not mapped, not necessarily absent. The related-terms column includes both genuine alternate names and associated components; it does not label every term a synonym.", "dasma_related_terms": "—" }, { "concept": "Stops / head stops (keep the bottom bar from leaving the guides at the top)", "family": "rolling steel; sheet; truck (track stop)", "dasma_term": "Stops — TDS 277; Head Stops — TDS 283", "cornell_cookson": "stoppers", "overhead_door": "Curtain stops — bellmouth stops or stop bar", "wayne_dalton": "bottom bar stops (DS-350)", "janus_dbci": "Headstop (item 6)", "trac_rite": "Door Stop (item 12), 12-gauge, mounted to bracket", "whiting_truck": "Track Stop Bumper (rubber) + track stop bolt", "what_it_does": "Bars at the top of the guides that catch the bottom bar when the door is fully open.", "sources": "S1; S2; S11; S16; S21; S24; S27; S29; S31", "tier": "★", "checked": "2026-09-11", "id": "CW19", "mapping_notes": "Functional/terminology comparison within the stated door family, not a compatibility approval. Blank cells mean not mapped, not necessarily absent. The related-terms column includes both genuine alternate names and associated components; it does not label every term a synonym.", "dasma_related_terms": "Bottom Bar Stops; Curtain Stops; Stops (See Head Stops)" }, { "concept": "Mini clip / keeper / stop-clip (on the bottom bar; hits the stops)", "family": "sheet", "dasma_term": "— (function noted under Step Plate in TDS 283)", "cornell_cookson": "n/a", "overhead_door": "n/a", "wayne_dalton": "'C' stop-clip (DS-350)", "janus_dbci": "Mini Clip (item 11) — 'installation of mini clips are required'", "trac_rite": "Keeper (item 16)", "whiting_truck": "n/a", "what_it_does": "Small bracket on each end of the bottom bar that engages the head stops so the curtain cannot travel past the guides.", "sources": "S2; S21; S24; S27", "tier": "★", "checked": "2026-09-11", "id": "CW20", "mapping_notes": "Functional/terminology comparison within the stated door family, not a compatibility approval. Blank cells mean not mapped, not necessarily absent. The related-terms column includes both genuine alternate names and associated components; it does not label every term a synonym.", "dasma_related_terms": "—" }, { "concept": "Hood (housing over the coil)", "family": "rolling steel; sheet", "dasma_term": "Hood; Fascia; Intermediate Hood Support — TDS 277; Hood — TDS 283", "cornell_cookson": "Hood (D-shaped, square or sloped), hood support, fascia, soffit, mechanism covers (Cornell); Hood — 'optional aesthetic' cover (Cookson)", "overhead_door": "Hood, hood bands, hood supports, horizontally spliced hood", "wayne_dalton": "hood 24 ga (800 HC spec)", "janus_dbci": "hood, hood endcaps, hood support (O&M section)", "trac_rite": "— (not itemized on 944)", "whiting_truck": "n/a", "what_it_does": "Encloses the head/coil area where fitted. A fascia is the back closure, not the front of the hood.", "sources": "S1; S2; S10; S11; S16; S24", "tier": "★", "checked": "2026-09-11", "id": "CW21", "mapping_notes": "Functional/terminology comparison within the stated door family, not a compatibility approval. Blank cells mean not mapped, not necessarily absent. The related-terms column includes both genuine alternate names and associated components; it does not label every term a synonym.", "dasma_related_terms": "Housing (See Hood)" }, { "concept": "Hood baffle / header seal / lintel seal / top draft stop", "family": "rolling steel; sheet; truck (top seal)", "dasma_term": "Hood Baffle; Header Seal — TDS 277; Hood Baffle; Header Seal; Top Draft Stop — TDS 283", "cornell_cookson": "Lintel seal — 'Z' or 'L' shaped brush seal (Cornell)", "overhead_door": "Lintel baffle (brush); hood baffle (620/625)", "wayne_dalton": "top draft stop (DS-350); internal hood seal, lintel brush seal (800 HC)", "janus_dbci": "Top Draft Stop, attached to the curtain.", "trac_rite": "Draft stop (header) / brush seal (jamb)", "whiting_truck": "Top Seal (reinforced rubber in steel jacket or vinyl)", "what_it_does": "Related sealing components with different attachment locations: hood baffle at the hood, header seal at the header, top draft stop on the curtain.", "sources": "S1; S2; S11; S16; S24; S25; S27", "tier": "★", "checked": "2026-09-11", "id": "CW22", "mapping_notes": "These are related sealing roles, not universal synonyms. TDS #283 distinguishes their attachment points. Functional/terminology comparison within the stated door family, not a compatibility approval. Blank cells mean not mapped, not necessarily absent. The related-terms column includes both genuine alternate names and associated components; it does not label every term a synonym.", "dasma_related_terms": "—" }, { "concept": "Guide weatherseal / side draft stop", "family": "rolling steel; sheet; truck (side seal)", "dasma_term": "Guide Weatherseal (1 Side / 2 Side) — TDS 277; Side Draft Stop — TDS 283", "cornell_cookson": "Guide seal / guide weathering (Cornell)", "overhead_door": "weatherstripping on the exterior side of the guides (620)", "wayne_dalton": "—", "janus_dbci": "Side Draft Stop + mounting angle", "trac_rite": "brush seal on the jamb", "whiting_truck": "Side Seal (vinyl or brush)", "what_it_does": "Vinyl, rubber or brush strip on the guide that presses against the curtain face.", "sources": "S1; S2; S11; S17; S24; S27; S31", "tier": "★", "checked": "2026-09-11", "id": "CW23", "mapping_notes": "Functional/terminology comparison within the stated door family, not a compatibility approval. Blank cells mean not mapped, not necessarily absent. The related-terms column includes both genuine alternate names and associated components; it does not label every term a synonym.", "dasma_related_terms": "—" }, { "concept": "Wear strips / felt tape / wear guard", "family": "sheet", "dasma_term": "Wear Strips; Felt Strips — TDS 283", "cornell_cookson": "n/a", "overhead_door": "n/a", "wayne_dalton": "—", "janus_dbci": "guide wear strip; curtain felt tape ('do not remove')", "trac_rite": "Wear Guard (item 17); Felt Tape (item 19) — 2\" full-length at each drum", "whiting_truck": "n/a", "what_it_does": "Material on the curtain or guide that reduces paint wear and noise as the sheet coils and slides.", "sources": "S2; S24; S27; S28; S29", "tier": "★", "checked": "2026-09-11", "id": "CW24", "mapping_notes": "Functional/terminology comparison within the stated door family, not a compatibility approval. Blank cells mean not mapped, not necessarily absent. The related-terms column includes both genuine alternate names and associated components; it does not label every term a synonym.", "dasma_related_terms": "—" }, { "concept": "Slide bolt / latch / lock", "family": "rolling steel; sheet; truck", "dasma_term": "Slide Bolt; Cylinder Lock; Double Throw Lock; Thumb Turn Mortise Cylinder; Master Keying — TDS 277; Slide Bolt; Curtain Latch — TDS 283", "cornell_cookson": "lock mechanisms on the bottom bar (Cookson); bracket-mounted lock (Cornell EntryDefender)", "overhead_door": "Model 625 options include slide bolts and cylinder locks.", "wayne_dalton": "slide bolt locks (DS-350)", "janus_dbci": "Mini Latch (item 8); Comm. Slide Lock (item 16, optional)", "trac_rite": "Spaceguard Latch (item 10); optional interior lock (slide bar + lock strike)", "whiting_truck": "Lock Assembly — outside cam lock (#77), recessed cam (#70), slam lock (#1415); Latch Plate; Handle Keeper; Catch Box", "what_it_does": "Hardware that secures the curtain or bottom panel in the closed position.", "sources": "S1; S2; S10; S11; S21; S22; S24; S27; S31; S18", "tier": "★", "checked": "2026-09-11", "id": "CW25", "mapping_notes": "Functional/terminology comparison within the stated door family, not a compatibility approval. Blank cells mean not mapped, not necessarily absent. The related-terms column includes both genuine alternate names and associated components; it does not label every term a synonym.", "dasma_related_terms": "—" }, { "concept": "Step plate / lift handle / grab handle", "family": "sheet; truck; rolling steel (lift handle)", "dasma_term": "Lift Handle — TDS 277; Step Plate — TDS 283", "cornell_cookson": "—", "overhead_door": "—", "wayne_dalton": "lift handle + bottom bar weight (DS-350)", "janus_dbci": "Comm. Step Plate (item 15, optional); handle(s) on the bottom bar", "trac_rite": "Exterior Handle (item 13) — two on doors 8' and wider", "whiting_truck": "Grab Handle (item 15)", "what_it_does": "Step plates provide a foot-engagement surface and can have a stop-engagement role in the specified design; lift handles are distinct handholds.", "sources": "S1; S2; S21; S24; S27; S31", "tier": "★", "checked": "2026-09-11", "id": "CW26", "mapping_notes": "Functional/terminology comparison within the stated door family, not a compatibility approval. Blank cells mean not mapped, not necessarily absent. The related-terms column includes both genuine alternate names and associated components; it does not label every term a synonym.", "dasma_related_terms": "Lift Clip (See Step Plate)" }, { "concept": "Pull rope / pull strap", "family": "sheet; truck", "dasma_term": "— (not a TDS entry)", "cornell_cookson": "—", "overhead_door": "—", "wayne_dalton": "—", "janus_dbci": "Rope (item 12)", "trac_rite": "Pull Rope Handle (item 14)", "whiting_truck": "Pull Down Strap (item 13) + Pull Strap Retainer (GP)", "what_it_does": "Rope or strap used to reach and pull down an open door.", "sources": "S24; S27; S31", "tier": "★", "checked": "2026-09-11", "id": "CW27", "mapping_notes": "Functional/terminology comparison within the stated door family, not a compatibility approval. Blank cells mean not mapped, not necessarily absent. The related-terms column includes both genuine alternate names and associated components; it does not label every term a synonym.", "dasma_related_terms": "—" }, { "concept": "Chain hoist / hand chain / drive gear / chain keeper", "family": "rolling steel; sheet", "dasma_term": "Chain Hoist; Drive Gear; Security Chain Box — TDS 277", "cornell_cookson": "sprockets, roller chain, shaft sprocket, motor operator mounting bracket (Cornell)", "overhead_door": "gear drive (308042) or chain and sprocket (300951); chainkeeper; hand chain", "wayne_dalton": "pocket wheel assembly, cast iron hand chain wheel, #41 roller chain, chain keeper (DS-350)", "janus_dbci": "Chain operation is described in the 650 O&M section; no tooth count mapped from that guide.", "trac_rite": "Reduced-drive chain hoist, pocket wheel and chain keeper.", "whiting_truck": "n/a", "what_it_does": "Manual drive: a hand chain turns a pocket wheel and, through gears or roller chain, the barrel/axle.", "sources": "S1; S11; S16; S21; S24; S27", "tier": "★", "checked": "2026-09-11", "id": "CW28", "mapping_notes": "Functional/terminology comparison within the stated door family, not a compatibility approval. Blank cells mean not mapped, not necessarily absent. The related-terms column includes both genuine alternate names and associated components; it does not label every term a synonym.", "dasma_related_terms": "—" }, { "concept": "Motor operator", "family": "rolling steel; sheet; truck (aftermarket)", "dasma_term": "Tubular Operator; Motor Cover; Manual Override; Emergency Release Device; Interlock, External — TDS 277", "cornell_cookson": "Motor operator, operator mounting bracket, operator/adjustor covers (Cornell)", "overhead_door": "Electric operators RHX, RSX, RMZ; drive headplate", "wayne_dalton": "side-mount operator (DS-350); Genie operators", "janus_dbci": "Pantheon JSS (in-drum) or ATA EZ-Roller (on-axle) operators", "trac_rite": "opener (chain hoist) options", "whiting_truck": "CommandLIFT remote opener (Whiting)", "what_it_does": "Powered drive; tubular/in-drum operators sit inside the barrel.", "sources": "S1; S11; S16; S21; S24; S27; S32", "tier": "★", "checked": "2026-09-11", "id": "CW29", "mapping_notes": "Functional/terminology comparison within the stated door family, not a compatibility approval. Blank cells mean not mapped, not necessarily absent. The related-terms column includes both genuine alternate names and associated components; it does not label every term a synonym.", "dasma_related_terms": "Panic Release Device (See Emergency Release Device)" }, { "concept": "Sensing edge", "family": "rolling steel; motor-operated sheet", "dasma_term": "Sensing Edge (Pneumatic, Electric, Infrared, Cable) — TDS 277", "cornell_cookson": "Sensing edge and end blocks; wireless sensing edge kit (Cornell)", "overhead_door": "sensing edge (label 607873 required)", "wayne_dalton": "—", "janus_dbci": "sensing edges / photoelectric eyes (tested weekly)", "trac_rite": "—", "whiting_truck": "n/a", "what_it_does": "Detects an obstruction and signals a compatible operator; system design determines stopping/reversing behavior.", "sources": "S1; S16; S24; S38", "tier": "★", "checked": "2026-09-11", "id": "CW30", "mapping_notes": "Functional/terminology comparison within the stated door family, not a compatibility approval. Blank cells mean not mapped, not necessarily absent. The related-terms column includes both genuine alternate names and associated components; it does not label every term a synonym.", "dasma_related_terms": "Electric Sensor Edge (See Sensing Edge)" }, { "concept": "Inertia brake (safety stop bearing)", "family": "rolling steel", "dasma_term": "Inertia Brake — TDS 277", "cornell_cookson": "—", "overhead_door": "—", "wayne_dalton": "—", "janus_dbci": "—", "trac_rite": "—", "whiting_truck": "n/a", "what_it_does": "Unit on the shaft that locks the barrel if it starts to free-fall after a brake, chain or spring failure.", "sources": "S1", "tier": "★", "checked": "2026-09-11", "id": "CW31", "mapping_notes": "Functional/terminology comparison within the stated door family, not a compatibility approval. Blank cells mean not mapped, not necessarily absent. The related-terms column includes both genuine alternate names and associated components; it does not label every term a synonym.", "dasma_related_terms": "Safety Stop Bearing; Stop Lock Bearing (See Inertia Brake)" }, { "concept": "Fire-door release parts", "family": "rolling steel (fire doors)", "dasma_term": "Fusible Link; Governor; Dropout; Flame Baffle; Automatic Closing Device; Drop Test; Starter, Fire Door — TDS 277", "cornell_cookson": "dropout pawl on the adjustor bracket (Cornell)", "overhead_door": "Rolling Fire Door Test Drop Release Form 830874 (610FR)", "wayne_dalton": "—", "janus_dbci": "n/a", "trac_rite": "n/a", "whiting_truck": "n/a", "what_it_does": "Separate components in automatic fire-door closure systems include heat-responsive links, release mechanisms and flame baffles. Arrangement and inspection requirements depend on the listed assembly.", "sources": "S1; S4; S6; S16; S43; S44", "tier": "★", "checked": "2026-09-11", "id": "CW32", "mapping_notes": "TDS #277 marks fusible link, dropout and flame baffle as fire-door-only; governor is defined but is not asterisked. Listed fire-door assemblies and their release mechanisms require model-specific references. The related-terms column includes both genuine alternate names and associated components; it does not label every term a synonym.", "dasma_related_terms": "—" }, { "concept": "Panels (top, intermediate, bottom)", "family": "truck", "dasma_term": "n/a (truck doors are sectional; not covered by TDS 277/283)", "cornell_cookson": "n/a", "overhead_door": "n/a", "wayne_dalton": "n/a", "janus_dbci": "n/a", "trac_rite": "n/a", "whiting_truck": "Top Panel (item 1), Intermediate Panel (2), Bottom Panel (3) — plastic/wood, aluminum-clad, laminated, stainless, composite", "what_it_does": "Horizontal sections hinged together; the top panel carries the top seal and closure brackets; the bottom panel carries the lock, seal and cable anchors.", "sources": "S31", "tier": "★", "checked": "2026-09-11", "id": "CW33", "mapping_notes": "Functional/terminology comparison within the stated door family, not a compatibility approval. Blank cells mean not mapped, not necessarily absent. The related-terms column includes both genuine alternate names and associated components; it does not label every term a synonym.", "dasma_related_terms": "—" }, { "concept": "Hinges (roller end hinge, center hinge)", "family": "truck", "dasma_term": "n/a", "cornell_cookson": "n/a", "overhead_door": "n/a", "wayne_dalton": "n/a", "janus_dbci": "n/a", "trac_rite": "n/a", "whiting_truck": "Roller End Hinge (+ cover) (items 27–29); Center Hinge (item 30); High-Strength versions on GP doors", "what_it_does": "Hinges join the panels; end hinges also hold the roller shafts.", "sources": "S31", "tier": "★", "checked": "2026-09-11", "id": "CW34", "mapping_notes": "Functional/terminology comparison within the stated door family, not a compatibility approval. Blank cells mean not mapped, not necessarily absent. The related-terms column includes both genuine alternate names and associated components; it does not label every term a synonym.", "dasma_related_terms": "—" }, { "concept": "Rollers", "family": "truck", "dasma_term": "n/a", "cornell_cookson": "n/a", "overhead_door": "n/a", "wayne_dalton": "n/a", "janus_dbci": "n/a", "trac_rite": "n/a", "whiting_truck": "2\" nylon or steel rollers, 3\" or 5\" shaft (Premium); 1\" stamped or precision steel rollers (General Purpose / Todco-style)", "what_it_does": "Wheels on the hinge shafts that run in the vertical and horizontal tracks.", "sources": "S31", "tier": "★", "checked": "2026-09-11", "id": "CW35", "mapping_notes": "Functional/terminology comparison within the stated door family, not a compatibility approval. Blank cells mean not mapped, not necessarily absent. The related-terms column includes both genuine alternate names and associated components; it does not label every term a synonym.", "dasma_related_terms": "—" }, { "concept": "Tracks (vertical, horizontal, mounting angle)", "family": "truck", "dasma_term": "n/a", "cornell_cookson": "n/a", "overhead_door": "n/a", "wayne_dalton": "n/a", "janus_dbci": "n/a", "trac_rite": "n/a", "whiting_truck": "Vertical Straight Track; Vertical Track & Mounting Angle Assembly; Horizontal Track (6\", 6-6\", 8\", 10\" radius, 90°); Mounting Angle; Side Seal", "what_it_does": "Track the rollers follow: up the door opening, around the radius, and back along the roof.", "sources": "S31", "tier": "★", "checked": "2026-09-11", "id": "CW36", "mapping_notes": "Functional/terminology comparison within the stated door family, not a compatibility approval. Blank cells mean not mapped, not necessarily absent. The related-terms column includes both genuine alternate names and associated components; it does not label every term a synonym.", "dasma_related_terms": "—" }, { "concept": "Top fixture / top closure bracket", "family": "truck", "dasma_term": "n/a", "cornell_cookson": "n/a", "overhead_door": "n/a", "wayne_dalton": "n/a", "janus_dbci": "n/a", "trac_rite": "n/a", "whiting_truck": "Top Closure Slide + Top Closure Base = Top Closure Assembly (Premium); Adjustable Top Fixture Slide/Base/Assembly (GP)", "what_it_does": "Adjustable bracket on the top panel that holds the top rollers and sets how tightly the top panel seals.", "sources": "S31", "tier": "★", "checked": "2026-09-11", "id": "CW37", "mapping_notes": "Functional/terminology comparison within the stated door family, not a compatibility approval. Blank cells mean not mapped, not necessarily absent. The related-terms column includes both genuine alternate names and associated components; it does not label every term a synonym.", "dasma_related_terms": "—" }, { "concept": "Bottom fixture / bottom roller bracket", "family": "truck", "dasma_term": "n/a", "cornell_cookson": "n/a", "overhead_door": "n/a", "wayne_dalton": "n/a", "janus_dbci": "n/a", "trac_rite": "n/a", "whiting_truck": "Bottom Bracket Assembly (1371 or 5600: bracket, cover, wear plate); Bottom Roller Fixture (GP)", "what_it_does": "Bracket on the bottom panel carrying the bottom roller; often paired with the cable anchor.", "sources": "S31", "tier": "★", "checked": "2026-09-11", "id": "CW38", "mapping_notes": "Functional/terminology comparison within the stated door family, not a compatibility approval. Blank cells mean not mapped, not necessarily absent. The related-terms column includes both genuine alternate names and associated components; it does not label every term a synonym.", "dasma_related_terms": "—" }, { "concept": "Cable, cable anchor, cable drum", "family": "truck", "dasma_term": "n/a", "cornell_cookson": "n/a", "overhead_door": "n/a", "wayne_dalton": "n/a", "janus_dbci": "n/a", "trac_rite": "n/a", "whiting_truck": "Cable anchor, cable assembly and cable drum are separate parts. Part 1-11 has a 115-in./110-in. length conflict between catalog sections; Part 1-4 is listed at 130 in.", "what_it_does": "Cable anchors connect lift cables to the door; the specified drums wind the cables. Size and part number are model-specific.", "sources": "S31", "tier": "★", "checked": "2026-09-11", "id": "CW39", "mapping_notes": "A cable drum winds a lift cable; it is not a rolling-sheet curtain-support drum. Whiting Part 1-11 has conflicting 115-in./110-in. lengths within Parts List #12. The related-terms column includes both genuine alternate names and associated components; it does not label every term a synonym.", "dasma_related_terms": "—" }, { "concept": "Balancer (counterbalance) assembly on a truck door", "family": "truck", "dasma_term": "n/a", "cornell_cookson": "n/a", "overhead_door": "n/a", "wayne_dalton": "n/a", "janus_dbci": "n/a", "trac_rite": "n/a", "whiting_truck": "Balancer Assembly (2376 double-cable; 7176; 4090 single-spring GP): balancer shaft, torsion springs, spring spacer, winding cone/plug, thrust washer, balancer brackets, clamp", "what_it_does": "Shaft-mounted torsion springs and cable drums above the horizontal tracks that counterbalance the panels.", "sources": "S31", "tier": "★", "checked": "2026-09-11", "id": "CW40", "mapping_notes": "Functional/terminology comparison within the stated door family, not a compatibility approval. Blank cells mean not mapped, not necessarily absent. The related-terms column includes both genuine alternate names and associated components; it does not label every term a synonym.", "dasma_related_terms": "—" }, { "concept": "'Do Not Move' decal, warning labels", "family": "sheet; rolling steel; truck", "dasma_term": "— (label practice referenced in TDS)", "cornell_cookson": "product safety labels (Cornell)", "overhead_door": "Product Safety Label 301603; Hand Chain Safety Label 308126; sensing-edge label 607873", "wayne_dalton": "—", "janus_dbci": "RDD-201, RDD-204, RDD-202 labels required", "trac_rite": "Warning Label (item 18); guide warning label", "whiting_truck": "\"Do Not Move\" Decal (item 16)", "what_it_does": "Manufacturer-required labels; installers must apply them and owners keep them legible.", "sources": "S11; S16; S24; S27; S31", "tier": "★", "checked": "2026-09-11", "id": "CW41", "mapping_notes": "Functional/terminology comparison within the stated door family, not a compatibility approval. Blank cells mean not mapped, not necessarily absent. The related-terms column includes both genuine alternate names and associated components; it does not label every term a synonym.", "dasma_related_terms": "—" } ], "parts_count_ledger": [ { "document": "DASMA TDS #277 Rolling Door Terminology", "metric": "entries in the terminology list", "value": 165, "detail": "133 entries contain definitions; 32 are cross-references; 29 entries carry the source edition’s fire-door-only asterisk.", "doc_date": "Rev. 6/20", "checked": "2026-09-11", "source": "S1", "tier": "★", "note": "Counted from the PDF text by fortwaynedockdoorrepair.com Research; 'Roll-Up Door' is one of the cross-references (See Rolling Door)." }, { "document": "DASMA TDS #283 Rolling Sheet Door Terminology", "metric": "entries in the terminology list", "value": 50, "detail": "44 carry a definition; 6 are cross-references", "doc_date": "Reaff. 1/24", "checked": "2026-09-11", "source": "S2", "tier": "★", "note": "Related head-assembly terminology; not proof that every axle and barrel are the same mechanism." }, { "document": "Original three-family diagram set, this edition", "metric": "numbered callouts, including repeated concepts across figures", "value": 62, "detail": "Figure 1: 20; Figure 2: 20; Figure 3: 22. Not 62 distinct components or a universal parts count.", "doc_date": "2026-09-11", "checked": "2026-09-11", "source": "local:diagram-set", "tier": "★ (derived)", "note": "Counted from numbered SVG labels; replaces an unsubstantiated count of current DASMA index links." }, { "document": "Cookson 'Rolling Door Illustrator'", "metric": "parts labeled on the interactive diagram", "value": 11, "detail": "Adjustor Bracket, Hood, Counter-Balance Shaft, Curtain Endlocks, Fastening Section, Bottom Bar, Curtain, Guides, Guide Bellmouth, Operator Bracket, Shaft Ring", "doc_date": "undated webpage", "checked": "2026-09-11", "source": "S10", "tier": "★", "note": "Eleven selectable labels; the two support-bracket entries share descriptive wording." }, { "document": "Janus International 650 Installation Guide (810000-0005)", "metric": "items in the General Bill of Materials (Figure 1)", "value": 16, "detail": "9-1/2\" Spiral Barrel; 1\" O.D. Axle; Spring/Counterbalance Assembly; Tensioner Ratchet Wheel; Bracket; Headstop; 26 Ga. Corrugated Curtain; Mini Latch; Bottom Bar Astragal; Bottom Bar Assembly; Mini Clip; Rope; LH Guide; RH Guide; Comm. Step Plate (optional); Comm. Slide Lock (optional)", "doc_date": "2023-07-19", "checked": "2026-09-11", "source": "S24", "tier": "★", "note": "Item slots 17 and 18 are blank in the printed BOM." }, { "document": "DBCI 650 Installation Guide (810000-0005)", "metric": "items in the General Bill of Materials", "value": 16, "detail": "Identical list and identical document number/date to the Janus 650 guide", "doc_date": "2023-07-19", "checked": "2026-09-11", "source": "S25", "tier": "★", "note": "DBCI has been a Janus subsidiary since 2021-08-18 (S26)." }, { "document": "DBCI 650 Installation Guide — ATA Retrofit 'General Part Descriptions'", "metric": "populated numbered descriptions in the separate ATA retrofit list", "value": 18, "detail": "Barrel assembly, axle sleeve, Z-motor plate, guide, retro bracket, mini reinforced drum w/ bearing, ATA operator, weight bar, fasteners", "doc_date": "2023-07-19", "checked": "2026-09-11", "source": "S25", "tier": "★", "note": "IDs 1–18 on printed page 16; includes assemblies, hardware and fasteners. Separate from the 16-description general door BOM." }, { "document": "Trac-Rite 944WL Rolling Curtain Door manual — 'Door Assembly – Parts Layout'", "metric": "numbered parts on the layout drawing", "value": 19, "detail": "Live Axle Assembly; Drum; Spring; Axle; Door Curtain Assembly; Curtain Windlocks; Bottom Assembly; Left Door Bracket; Door Guide; Spaceguard Latch; Mounting Fasteners; Door Stop; Exterior Handle; Pull Rope Handle; Tension Adjustment Wheel; Keeper; Wear Guard; Warning Label; Felt Tape", "doc_date": "© 2008", "checked": "2026-09-11", "source": "S28", "tier": "★", "note": "The 944WL layout page was visually checked. No assertion that the standard 944 has the same count." }, { "document": "Cornell Defender Series Installation Instructions — Section 3 delivery check", "metric": "numbered delivery-check entries", "value": 12, "detail": "drawings; (2) guide assemblies; curtain & barrel assembly; curtain slats & bottom bar; (2) bracket assemblies; operator; operator cover; adjusting wheel; hood and hood supports; hardware; misc. (Reelite, lintel seal, hood baffle); finish check", "doc_date": "2020-10-05", "checked": "2026-09-11", "source": "S11", "tier": "★", "note": "Includes documents and a finish check as well as components; not twelve distinct door parts." }, { "document": "Cornell Defender Series Installation Instructions — Appendix A chain sprocket adjustor", "metric": "component categories in the Appendix A parts list", "value": 10, "detail": "Bracket plate, shaft sprocket, key, adjusting wheel, washers, support strap, shaft collars, second washer category, bolts and adjusting-wheel stud. No assembly dimensions or fastening instructions reproduced.", "doc_date": "2020-10-05", "checked": "2026-09-11", "source": "S11", "tier": "★", "note": "" }, { "document": "Whiting Parts List — 3/4\" Premium Dry Freight door", "metric": "highest exploded-drawing item number", "value": 66, "detail": "Item 1 (top panel) through item 66 (bottom roller bracket assembly); many items have several part-number variants", "doc_date": "undated PDF", "checked": "2026-09-11", "source": "S31", "tier": "★", "note": "Item positions, not SKUs; the SKU list is far longer." }, { "document": "Whiting Parts List — General Purpose Dry Freight door", "metric": "highest exploded-drawing item number", "value": 59, "detail": "Item 1 (top panel) through item 59 (steel washer); 1\" rollers and single-spring #4090 balancer; Todco cross-reference numbers listed", "doc_date": "undated PDF", "checked": "2026-09-11", "source": "S31", "tier": "★", "note": "" } ], "spec_ledger": [ { "topic": "Steel thickness by gauge: bare steel minimum, inches", "value": "26: 0.0159; 24: 0.0209; 22: 0.0269; 20: 0.0329; 18: 0.0438; 16: 0.0548; 14: 0.0697; 12: 0.0986", "qualifier": "DASMA chart minimums, not installed-door measurements. G-90 values for these rows are 0.0015 in. greater.", "family": "all", "source": "S3", "doc_date": "Reaff. 1/24", "checked": "2026-09-11", "tier": "★" }, { "topic": "Ratio of selected bare-steel minimums", "value": "0.0269 / 0.0159 = 1.691823899…; 1.69 when rounded to two decimals", "qualifier": "Arithmetic using the 22- and 26-gauge rows, not a performance comparison.", "family": "rolling steel vs sheet", "source": "S3", "doc_date": "Reaff. 1/24", "checked": "2026-09-11", "tier": "★ (derived)" }, { "topic": "Janus/DBCI 650: barrel, axle, curtain", "value": "9-1/2\" spiral barrel; 1\" O.D. axle; 26-gauge corrugated curtain", "qualifier": "General BOM, Figure 1", "family": "sheet", "source": "S24", "doc_date": "2023-07-19", "checked": "2026-09-11", "tier": "★" }, { "topic": "Janus/DBCI 650: headroom reference", "value": "The manual provides a model- and opening-height-specific headroom chart.", "qualifier": "Figure 2 is a manufacturer clearance reference, not a dimension inferred from this schematic. Exact installation clearances are outside this identification dataset.", "family": "sheet", "source": "S24; S25", "doc_date": "2023-07-19", "checked": "2026-09-11", "tier": "★" }, { "topic": "Janus/DBCI 650: support and guide interface", "value": "The general BOM separately identifies the support bracket and left/right guides.", "qualifier": "Identifies components without providing field positioning or fastening instructions.", "family": "sheet", "source": "S24; S25", "doc_date": "2023-07-19", "checked": "2026-09-11", "tier": "★" }, { "topic": "Janus/DBCI 650: spring-tension components", "value": "The tensioning arrangement identifies a ratchet wheel and a pawl.", "qualifier": "Identification only; no turn counts, winding-bar dimensions or release sequence.", "family": "sheet", "source": "S24; S25", "doc_date": "2023-07-19", "checked": "2026-09-11", "tier": "★" }, { "topic": "Janus/DBCI O&M: operating force limits", "value": "hand-chain operation should not exceed 35 lb; manual (push-up) 30 lb", "qualifier": "Rolling Sheet Door Performance Evaluation section", "family": "sheet", "source": "S24", "doc_date": "2023-07-19", "checked": "2026-09-11", "tier": "★" }, { "topic": "Janus/DBCI O&M: inspection cadence", "value": "visual inspection monthly; sensing devices tested at least weekly; motor operation evaluated quarterly", "qualifier": "", "family": "sheet", "source": "S24", "doc_date": "2023-07-19", "checked": "2026-09-11", "tier": "★" }, { "topic": "Overhead Door 610/620/625/627: hand-chain pull limit", "value": "do not exceed 35 pounds of pulling force (Hand Chain Safety Label 308126); a chain pull up to 35 lb is permissible on large doors", "qualifier": "Step 16 and Step 21", "family": "rolling steel", "source": "S16", "doc_date": "2024-09-19", "checked": "2026-09-11", "tier": "★" }, { "topic": "Overhead Door 610/620/625/627: spring safety boundary", "value": "The manual warns of high spring tension and specifies model-dependent adjustment work.", "qualifier": "No winding equipment dimensions, turns, direction or adjustment sequence reproduced.", "family": "rolling steel", "source": "S16", "doc_date": "2024-09-19", "checked": "2026-09-11", "tier": "★" }, { "topic": "Overhead Door 610/620/625/627: operational evaluation", "value": "The manual contains a model-specific operation and counterbalance evaluation.", "qualifier": "This reference does not turn the manufacturer’s acceptance procedure into a DIY test or universal diagnosis.", "family": "rolling steel", "source": "S16", "doc_date": "2024-09-19", "checked": "2026-09-11", "tier": "★" }, { "topic": "Overhead Door Model 625: warranty statement", "value": "24-month limited door warranty; a separate 3-year/20,000-cycle limited door-and-operator-system offer is listed when purchased together.", "qualifier": "Manufacturer product-page terms, not an unconditional lifespan or warranty entitlement; written warranty controls.", "family": "rolling steel", "source": "S18", "doc_date": "undated product page", "checked": "2026-09-11", "tier": "★" }, { "topic": "Overhead Door 610 slat profiles", "value": "C-187 curved (standard); F-265 flat to 30'4\" wide in 18 ga; F-265E 14-ga extruded aluminum to 20'4\" wide; C-600 6\" x 1-3/8\" curved in 18/16/14 ga", "qualifier": "", "family": "rolling steel", "source": "S17", "doc_date": "undated source; verification date separate", "checked": "2026-09-11", "tier": "★" }, { "topic": "Overhead Door 610 C-600 oversized application limits", "value": "Width up to 70 ft; height up to 30 ft 4 in.; area up to 1,500 sq ft.", "qualifier": "Separate configuration-dependent maxima. The width and height maxima cannot be combined while ignoring the area cap.", "family": "rolling steel", "source": "S17", "doc_date": "undated source; verification date separate", "checked": "2026-09-11", "tier": "★" }, { "topic": "Overhead Door 625: separate maximum dimensions", "value": "Standard maximum width 30 ft 4 in.; standard maximum height 28 ft 4 in.", "qualifier": "Independent dimensions; actual availability depends on slat profile, material and gauge.", "family": "rolling steel", "source": "S18; S19", "doc_date": "undated source; verification date separate", "checked": "2026-09-11", "tier": "★" }, { "topic": "Overhead Door Model 625: standard spring cycle specification", "value": "20,000 cycles", "qualifier": "Directly listed on the current manufacturer product page. A high-usage package is offered without a cycle figure on that page; no unsupported 100,000-cycle option asserted here.", "family": "rolling steel", "source": "S18; S19", "doc_date": "undated product page/brochure", "checked": "2026-09-11", "tier": "★" }, { "topic": "CornellCookson service doors: cycle design", "value": "up to 20 cycles per day, 50,000 cycles lifetime; heavy-duty springs to 100,000 cycles", "qualifier": "", "family": "rolling steel", "source": "S13", "doc_date": "undated source; verification date separate", "checked": "2026-09-11", "tier": "★" }, { "topic": "CornellCookson 300 Series springless design", "value": "Standard warranty up to 300,000 cycles or two years; optional upgrade up to 500,000 cycles/three years.", "qualifier": "Warranty and design statements, not field lifespan measurements. The 300 Series is CornellCookson, not Janus.", "family": "rolling steel", "source": "S14", "doc_date": "undated source; verification date separate", "checked": "2026-09-11", "tier": "★" }, { "topic": "Cookson manufacturer weight example", "value": "The March 20, 2023 explanation says large rolling security doors can exceed 800 lb.", "qualifier": "Manufacturer example; not an average weight, lifting-force limit or survey.", "family": "rolling steel", "source": "S15", "doc_date": "2023-03-20", "checked": "2026-09-11", "tier": "★" }, { "topic": "Cornell bracket terminology", "value": "Drive-side and tension-side bracket plates support the head assembly.", "qualifier": "The illustrator’s Operator Bracket label is not the same as every motor-mounting bracket. No universal plate thickness inferred from a dealer-hosted document.", "family": "rolling steel", "source": "S10; S12; S36", "doc_date": "undated glossary/illustrator; manual 2023-07-21", "checked": "2026-09-11", "tier": "★" }, { "topic": "Cornell Defender: maintenance schedule", "value": "weekly / monthly / quarterly checks by component (curtain & bottom bar, brackets, guides, hood, operation, motor operator)", "qualifier": "Section 15", "family": "rolling steel", "source": "S11", "doc_date": "2020-10-05", "checked": "2026-09-11", "tier": "★" }, { "topic": "Cornell Defender: chain-sprocket adjustor identification", "value": "Appendix A lists ten component categories in the adjustor assembly.", "qualifier": "Includes support and fastening components; no winding-bar dimensions, torque values or installation procedure included.", "family": "rolling steel", "source": "S11", "doc_date": "2020-10-05", "checked": "2026-09-11", "tier": "★" }, { "topic": "Wayne Dalton DS-350: counterbalance configuration", "value": "The manual provides a door-size-dependent spring-setting chart.", "qualifier": "Existence and scope of the chart only; no spring-turn values or setting directions reproduced.", "family": "sheet", "source": "S21", "doc_date": "2024-09-09", "checked": "2026-09-11", "tier": "★" }, { "topic": "Wayne Dalton DS-350: guides", "value": "Guide mounting and windlock-return details are specific to the illustrated DS-350 arrangement.", "qualifier": "Identification reference, not a field clearance or installation template.", "family": "sheet", "source": "S21", "doc_date": "2024-09-09", "checked": "2026-09-11", "tier": "★" }, { "topic": "Wayne Dalton DS-350: chain-drive components", "value": "#41 roller chain with 41B9 and 41A40 sprocket identifiers in the cited drive arrangement.", "qualifier": "Model-specific identifiers; no installation height, fastening or chain-adjustment instructions.", "family": "sheet", "source": "S21", "doc_date": "2024-09-09", "checked": "2026-09-11", "tier": "★" }, { "topic": "Wayne Dalton DS-350: issuer and document version", "value": "291341-0007 REVF, September 9, 2024; Wayne Dalton is identified as a division of Overhead Door Corporation.", "qualifier": "Document identity and corporate affiliation, not a warranty claim or approval for a different model.", "family": "sheet", "source": "S21", "doc_date": "2024-09-09", "checked": "2026-09-11", "tier": "★" }, { "topic": "Trac-Rite 944: drums and springs", "value": "9-5/8\" diameter spiral drums, 18 ga, two drums up to 5' wide, three over 5'; one spring 5' and smaller, two springs wider than 5'", "qualifier": "product page specifications", "family": "sheet", "source": "S29", "doc_date": "undated source; verification date separate", "checked": "2026-09-11", "tier": "★" }, { "topic": "Trac-Rite 944: curtain, guides, stops", "value": "26-gauge Grade 80 galvanized curtain; 18-gauge zinc-coated guides with polypropylene runners; 12-gauge door stops; full-length 2\" felt tape at each drum", "qualifier": "product page specifications", "family": "sheet", "source": "S29", "doc_date": "undated source; verification date separate", "checked": "2026-09-11", "tier": "★" }, { "topic": "Trac-Rite 944: model identification", "value": "The product page distinguishes Model 944 from the windlock Model 944WL.", "qualifier": "Product dimensions are not inferred from this schematic; model and configuration must be established from the door’s own record.", "family": "sheet", "source": "S29", "doc_date": "undated product page", "checked": "2026-09-11", "tier": "★" }, { "topic": "Trac-Rite 944: clearance reference", "value": "The manufacturer’s manual separately identifies headroom, backroom and sideroom.", "qualifier": "Clearances depend on the configuration; this identification dataset is not an installation layout.", "family": "sheet", "source": "S27", "doc_date": "2012-04", "checked": "2026-09-11", "tier": "★" }, { "topic": "Trac-Rite 944: tensioning hardware", "value": "The manual identifies tension-adjustment and retention hardware at the axle end.", "qualifier": "No turns, winding-bar dimensions, pin-release or guide-setting procedure reproduced.", "family": "sheet", "source": "S27", "doc_date": "2012-04", "checked": "2026-09-11", "tier": "★" }, { "topic": "Trac-Rite 944: maintenance schedule", "value": "Monthly visual inspection; a six-month lubrication schedule in the cited manual.", "qualifier": "Schedule summary only. No instruction to expose, handle or lubricate a spring; the manufacturer’s safety provisions and qualified-person requirements apply.", "family": "sheet", "source": "S27", "doc_date": "2012-04", "checked": "2026-09-11", "tier": "★" }, { "topic": "Trac-Rite model application estimate", "value": "Manufacturer estimates Models 944 and pre-2004 predecessor 940 serve probably more than 99% of its own self-storage and garden-shed applications.", "qualifier": "Attributed manufacturer estimate with its own denominator; not measured industry market share.", "family": "sheet", "source": "S30", "doc_date": "undated support page", "checked": "2026-09-11", "tier": "★" }, { "topic": "Whiting truck door: spring sizes", "value": "torsion springs 2-3/16\" ID (2376 balancer) or 2-5/8\" ID (7176 balancer), LH-wound roadside / RH-wound curbside; 1-3/4\" ID single spring on General Purpose (4090) doors", "qualifier": "parts list", "family": "truck", "source": "S31", "doc_date": "undated", "checked": "2026-09-11", "tier": "★" }, { "topic": "Whiting truck door: counterbalance identification", "value": "The catalog distinguishes balancer assemblies 2376, 7176 and 4090 and their associated components.", "qualifier": "Separate model mechanisms and parts lists; no generic winding rule or adjustment procedure reproduced.", "family": "truck", "source": "S31", "doc_date": "undated catalog", "checked": "2026-09-11", "tier": "★" }, { "topic": "Whiting truck door: cable conflict and roller examples", "value": "Part 1-11 is listed as 115 in. in Premium Dry Freight (printed p.6) and 110 in. in Premium Aluminum-Clad (printed p.12); Part 1-4 is listed as 130 in. Premium examples use 2-in. rollers; General Purpose examples use 1-in. rollers.", "qualifier": "Unresolved internal catalog conflict preserved. No cable length or roller size is approved for an unidentified door.", "family": "truck", "source": "S31", "doc_date": "undated catalog", "checked": "2026-09-11", "tier": "★" }, { "topic": "Whiting truck door: track variants", "value": "Premium listings include 2-in. horizontal track with radius labels 6 in., 6–6 in., 8 in. and 10 in.; General Purpose lists 1-in. track.", "qualifier": "The compound label 6–6 is reproduced as catalog nomenclature, not a 6-to-6 range or a universal bend specification.", "family": "truck", "source": "S31", "doc_date": "undated catalog", "checked": "2026-09-11", "tier": "★" }, { "topic": "Rolling-fire-door inspection references", "value": "Issuer guidance describes at least annual inspection/drop-testing and average closing speed of 6–24 in./s.", "qualifier": "DASMA June 2025 and NFPA January 2021/April 2025 explanatory sources; not a determination of the adopted standard or listing conditions for a particular installation.", "family": "rolling steel (fire)", "source": "S4; S43; S44", "doc_date": "2025-06; 2021-01-15; 2025-04-11", "checked": "2026-09-11", "tier": "★" }, { "topic": "Rolling-door counterbalance examples", "value": "DASMA’s hypothetical examples illustrate two intersections between spring and required-torque curves.", "qualifier": "Illustration of balance variation, not exactly two balance points for every door or permission to ignore a malfunction.", "family": "rolling steel", "source": "S5", "doc_date": "Reaff. 6/21", "checked": "2026-09-11", "tier": "★" }, { "topic": "Component substitution boundaries", "value": "DASMA identifies seven wind-critical categories and warns that similar slat shape/dimensions do not establish interchangeability.", "qualifier": "TDS #287 also distinguishes manufacturer-specific fire-door parts, listed retrofits and specified non-integral items. Its exact conditions apply; these are not universal interchange approvals.", "family": "all coiling", "source": "S6", "doc_date": "2026-01", "checked": "2026-09-11", "tier": "★" }, { "topic": "UL 325: monitored obstruction protection", "value": "UL’s explanation distinguishes protection for non-constant-pressure commercial-door operation from constant-pressure fallback modes.", "qualifier": "Issuer explanation and manufacturer O&M are not a wiring, bypass or operator-configuration procedure.", "family": "motor-operated", "source": "S45; S24; S25", "doc_date": "2018-09-11; 2023-07-19", "checked": "2026-09-11", "tier": "★" } ], "ownership_map": [ { "brand": "Cornell (Cornell Iron Works)", "family": "rolling steel (slat) doors", "parent": "CornellCookson → Clopay Corporation → Griffon Corporation", "event": "Clopay Building Products completed the acquisition of CornellCookson on June 4, 2018 ($180M; announced May 3, 2018)", "source": "S35; S49", "tier": "★", "checked": "2026-09-11" }, { "brand": "Cookson", "family": "rolling steel (slat) doors", "parent": "CornellCookson → Clopay → Griffon", "event": "same transaction as Cornell", "source": "S35; S49", "tier": "★", "checked": "2026-09-11" }, { "brand": "Overhead Door (Models 610/620/625/627)", "family": "rolling steel (slat) doors", "parent": "Overhead Door Corporation", "event": "parent company", "source": "S16", "tier": "★", "checked": "2026-09-11" }, { "brand": "Wayne Dalton (800/800C/900/926; DS-350 sheet doors)", "family": "rolling steel and rolling sheet doors", "parent": "Overhead Door Corporation", "event": "'Wayne Dalton, a division of Overhead Door Corporation' on its own manuals", "source": "S21", "tier": "★", "checked": "2026-09-11" }, { "brand": "TODCO (truck roll-up doors)", "family": "truck/trailer roll-up doors", "parent": "Overhead Door Corporation", "event": "Company describes history beginning in 1957, headquarters in Marion, Ohio, and manufacturing in Ohio and Tecate, Mexico.", "source": "S33", "tier": "★", "checked": "2026-09-11" }, { "brand": "Janus International (650/750/1000/2000/2500/3100)", "family": "rolling sheet doors (self-storage and commercial)", "parent": "Janus International Group", "event": "parent company", "source": "S24", "tier": "★", "checked": "2026-09-11" }, { "brand": "DBCI", "family": "rolling sheet doors", "parent": "Janus International Group", "event": "acquisition from Cornerstone Building Brands closed August 18, 2021; DBCI continues under its own name; its 650 guide is the same document number as Janus's", "source": "S26; S25", "tier": "★", "checked": "2026-09-11" }, { "brand": "Trac-Rite Door (944/944WL/955/988)", "family": "rolling sheet doors", "parent": "TBS Companies", "event": "Trachte’s current business list includes Trac-Rite; its March 12, 2026 announcement describes TBS Companies.", "source": "S41; S42", "tier": "★", "checked": "2026-09-11" }, { "brand": "Whiting Door Manufacturing", "family": "truck/trailer roll-up doors", "parent": "Family leadership described by manufacturer; no complete ownership register supplied", "event": "Company attributes its first practical truck/trailer overhead roll-up door to 1953.", "source": "S32; S34", "tier": "★", "checked": "2026-09-11" } ], "sources": [ { "id": "S1", "title": "DASMA. *Rolling Door Terminology*, Technical Data Sheet #277, 11 pp.; 9/3/03, rev. 6/12, reaff. 1/13, rev. 1/15, 4/17, reaff. 1/18, rev. 9/18, 9/19, 6/20.", "url": "https://www.dasma.com/wp-content/uploads/pubs/TechDataSheets/RollingDoor/TDS277.pdf", "checked": "2026-09-11", "tier": "★" }, { "id": "S2", "title": "DASMA. *Rolling Sheet Door Terminology*, TDS #283, 4 pp.; 12/2013, rev. 6/15, reaff. 6/18, rev. 9/19, reaff. 1/24.", "url": "https://www.dasma.com/wp-content/uploads/2024/03/TDS283.pdf", "checked": "2026-09-11", "tier": "★" }, { "id": "S3", "title": "DASMA. *DASMA Metal Gauge Chart*, TDS #154; 10/9/03, rev. 12/10, reaff. 9/12, 09/17, 1/24.", "url": "https://www.dasma.com/wp-content/uploads/2024/03/TDS154.pdf", "checked": "2026-09-11", "tier": "★" }, { "id": "S4", "title": "DASMA. *Rolling Steel Fire Doors: Periodic Inspection and Drop-Testing*, TDS #271; 11/26/01, rev. 1/15, 3/15, 9/17, 2/21, 1/24, 6/25.", "url": "https://www.dasma.com/wp-content/uploads/2026/01/TDS271.pdf", "checked": "2026-09-11", "tier": "★" }, { "id": "S5", "title": "DASMA. *Rolling Door Counterbalancing*, TDS #272; rev. 10/05, reaff. 09/12, rev. 10/17, reaff. 6/21.", "url": "https://www.dasma.com/wp-content/uploads/2021/12/TDS272.pdf", "checked": "2026-09-11", "tier": "★" }, { "id": "S6", "title": "DASMA. *Rolling Door Component Substitution*, TDS #287; 1/09, 7/14, 4/19, 1/26.", "url": "https://www.dasma.com/wp-content/uploads/2026/07/TDS287.pdf", "checked": "2026-09-11", "tier": "★" }, { "id": "S7", "title": "DASMA. Technical Data Sheets: issuer index. No publication or modification date asserted.", "url": "https://www.dasma.com/technical-data-sheets/", "checked": "2026-09-11", "tier": "★" }, { "id": "S8", "title": "DASMA. About Us: organization history and ANSI accreditation. Undated page.", "url": "https://www.dasma.com/about-us/", "checked": "2026-09-11", "tier": "★" }, { "id": "S9", "title": "DASMA. *ANSI/DASMA 207-2020, American National Standard: Standard for Rolling Sheet Doors*.", "url": "https://www.dasma.com/wp-content/uploads/2021/02/ANSIDASMA2072020.pdf", "checked": "2026-09-11", "tier": "★" }, { "id": "S10", "title": "CornellCookson (Cookson). *Roll Up Door Parts, Components & Workings — Rolling Door Illustrator*, undated, retrieved Sept. 11, 2026.", "url": "https://www.cooksondoor.com/architect-tools-and-resources/rolling-door-101", "checked": "2026-09-11", "tier": "★" }, { "id": "S11", "title": "Cornell Iron Works. *Defender Series Door Installation Instructions*, ES 10-464, ECO #2090, Revision 004, Oct. 5, 2020.", "url": "https://www.cornelliron.com/docs/default-source/1v-manuals/cornell/es-10-442-installation-instructions-defender-series-cornell26bc5d4f86346a78840eff00003b6d5a.pdf", "checked": "2026-09-11", "tier": "★" }, { "id": "S12", "title": "CornellCookson. *Rolling Door & Grille Industry Glossary*, undated, retrieved Sept. 11, 2026.", "url": "https://www.cornelliron.com/architect-tools-and-resources/industry-glossary", "checked": "2026-09-11", "tier": "★" }, { "id": "S13", "title": "CornellCookson. *Rolling Service Doors* (20 cycles/day, 50,000 cycles; 100,000-cycle springs), retrieved Sept. 11, 2026.", "url": "https://www.cornellcookson.com/product/service-doors", "checked": "2026-09-11", "tier": "★" }, { "id": "S14", "title": "CornellCookson. Extreme 300 Series High Performance Rolling Door. Standard warranty: up to 300,000 cycles or two years; optional 500,000 cycles/three years. Undated product page.", "url": "https://www.cornellcookson.com/product/300-series-rolling-door", "checked": "2026-09-11", "tier": "★" }, { "id": "S15", "title": "Cookson. Prime Your Roller Door Springs This Spring. March 20, 2023. Manufacturer explanation; not a measured weight or service-life study.", "url": "https://www.cooksondoor.com/blogs/Cookson/spring-forward!-ready-for-changing-seasons-and-a-rolling-door-spring-primer", "checked": "2026-09-11", "tier": "★" }, { "id": "S16", "title": "Overhead Door Corporation. *Installation Instructions for Rolling Service Door, Models 610, 620, 625, 627*, 300922-0015 Rev. P, Sept. 19, 2024.", "url": "https://overheaddoor-production-assets.azureedge.net/assets/docs/default-source/commercial-products/rolling-service-doors/rolling-service-door-installation-model-610-620-625-627---300922.pdf?sfvrsn=dae312de_2", "checked": "2026-09-11", "tier": "★" }, { "id": "S17", "title": "Overhead Door Corporation. *Rolling Steel Service Doors – Model 610*, retrieved Sept. 11, 2026.", "url": "https://www.overheaddoor.com/commercial/commercial-details/rolling-steel-service-doors-610", "checked": "2026-09-11", "tier": "★" }, { "id": "S18", "title": "Overhead Door Corporation. *Rolling Steel Service Doors – Model 625*, retrieved Sept. 11, 2026.", "url": "https://www.overheaddoor.com/commercial/commercial-details/rolling-steel-service-doors-625", "checked": "2026-09-11", "tier": "★" }, { "id": "S19", "title": "Overhead Door Corporation. Rolling Service Doors 625 brochure. Manufacturer-hosted specification reference; width/height limits are independent and configuration-dependent.", "url": "https://overheaddoor-production-assets.azureedge.net/assets/docs/default-source/commercial-products/rolling-service-doors/model-625/rolling-service-doors-625-brochure.pdf?sfvrsn=723bc376_9", "checked": "2026-09-11", "tier": "★" }, { "id": "S20", "title": "Overhead Door Corporation. Model 625 rolling steel door specification template. Selectable options are not a completed installation specification.", "url": "https://overheaddoor-production-assets.azureedge.net/assets/docs/default-source/commercial-products/rolling-service-doors/model-625/rolling-steel-door-625-specs52149a4b-b72a-46f2-a53c-3f017312f67f.pdf?sfvrsn=1630ddd4_6", "checked": "2026-09-11", "tier": "★" }, { "id": "S21", "title": "Wayne Dalton, a division of Overhead Door Corporation. *Installation Instructions, Model DS-350 Roll-Up Doors, Windload Rated, With Side Mount Operator*, 291341-0007 REVF, Sept. 9, 2024.", "url": "https://waynedalton-prod-assets-new.azureedge.net/assets/docs/default-source/install/comm/sheet/291341.pdf?sfvrsn=ead9fd5e_20", "checked": "2026-09-11", "tier": "★" }, { "id": "S22", "title": "Wayne Dalton. *Rolling Service Doors Models 800 & 800C*, retrieved Sept. 11, 2026.", "url": "https://www.wayne-dalton.com/commercial/detail/rolling-service-doors-models-800-800C", "checked": "2026-09-11", "tier": "★" }, { "id": "S23", "title": "Wayne Dalton. Section 083323, Upward Coiling Doors, Model 800C HC. Undated specification template; retrieved file is headed Model 800C HC despite its model-800hc filename. Springless direct drive; hood options, not a universal hood requirement.", "url": "https://waynedalton-prod-assets-new.azureedge.net/assets/docs/default-source/commercial/rolling-service-800-hc-800c-hc/model-800hc-specs.pdf?sfvrsn=95bc7ce3_9", "checked": "2026-09-11", "tier": "★" }, { "id": "S24", "title": "Janus International Group. *650 Installation Guide*, document 810000-0005, July 19, 2023 (Figure 1 General Bill of Materials; Operation and Maintenance section).", "url": "https://cdn2.hubspot.net/hubfs/4335336/Installation%20Guides/650-Installation-Guide.pdf", "checked": "2026-09-11", "tier": "★" }, { "id": "S25", "title": "DBCI Doors. *650 Installation Guide*, document 810000-0005, July 19, 2023.", "url": "https://www.dbci.com/hubfs/dbci-install-guides/810000-0005%20-%20Instructions%20Model%20650%20-%20DBCI.pdf", "checked": "2026-09-11", "tier": "★" }, { "id": "S26", "title": "Janus International Group. *Janus International Announces Closing of Acquisition of Building Components Manufacturer DBCI*, Aug. 18, 2021.", "url": "https://ir.janusintl.com/news/press-releases/detail/28/janus-international-announces-closing-of-acquisition-of", "checked": "2026-09-11", "tier": "★" }, { "id": "S27", "title": "Trac-Rite Door, Inc. *Rolling Curtain Door Manual — Installation, Maintenance, Parts, Model 944*, 522000 rev. H, Apr. 2012.", "url": "https://www.tracrite.com/wp-content/uploads/2022/12/Print944manualD.pdf", "checked": "2026-09-11", "tier": "★" }, { "id": "S28", "title": "Trac-Rite Door, Inc. *Rolling Curtain Door Installation, Maintenance & Parts Manual, Windlock Model 944WL*, © 2008 (Door Assembly – Parts Layout).", "url": "https://www.tracrite.com/wp-content/uploads/2022/12/Print944WLManualB.pdf", "checked": "2026-09-11", "tier": "★" }, { "id": "S29", "title": "Trac-Rite Door, Inc. *Roll Up Door 944* (product specifications), retrieved Sept. 11, 2026.", "url": "https://www.tracrite.com/roll-up-door-944/", "checked": "2026-09-11", "tier": "★" }, { "id": "S30", "title": "Trac-Rite Door, Inc. *Support Center* (model identification; \"probably more than 99%\"), retrieved Sept. 11, 2026.", "url": "https://www.tracrite.com/support-center/", "checked": "2026-09-11", "tier": "★" }, { "id": "S31", "title": "Whiting Door Manufacturing Corp. Parts List #12. Undated manufacturer catalog. Premium Dry Freight and General Purpose item identifiers; internal Part 1-11 cable-length conflict retained.", "url": "https://www.whitingdoor.com/documents/customer-support/resources/WhitingPartsList.pdf", "checked": "2026-09-11", "tier": "★" }, { "id": "S32", "title": "Whiting Door Manufacturing Corp. Home page (\"first practical overhead roll-up door for trucks and trailers in 1953\"), retrieved Sept. 11, 2026.", "url": "https://www.whitingdoor.com/", "checked": "2026-09-11", "tier": "★" }, { "id": "S33", "title": "TODCO. *About Us* (\"a division of Overhead Door Corporation\"; Marion, Ohio and Tecate, Mexico), retrieved Sept. 11, 2026.", "url": "https://todco.com/about-us/", "checked": "2026-09-11", "tier": "★" }, { "id": "S34", "title": "Whiting Door Manufacturing Corp. Company History. Manufacturer history and family-leadership account; not a beneficial-ownership register.", "url": "https://www.whitingdoor.com/company/history", "checked": "2026-09-11", "tier": "★" }, { "id": "S35", "title": "Griffon Corporation. *Griffon Corporation Completes CornellCookson Acquisition*, June 4, 2018.", "url": "https://ir.griffon.com/news-releases/news-release-details/griffon-corporation-completes-cornellcookson-acquisition", "checked": "2026-09-11", "tier": "★" }, { "id": "S36", "title": "Cornell Iron Works. Service Door Installation Instructions, ES 10-476, Rev. 004, July 21, 2023.", "url": "https://www.cornelliron.com/docs/default-source/1v-manuals/cornell/im_rolling_door5bbb5d4f86346a78840eff00003b6d5a.pdf", "checked": "2026-09-11", "tier": "★" }, { "id": "S37", "title": "Janus International Group. 2000 Installation Guide, 810014-0001, November 9, 2021.", "url": "https://www.janusintl.com/hubfs/Imported_Blog_Media/Janus%20Commercial/810014-0001%20-%20Instructions%2C%20Model%202000.pdf", "checked": "2026-09-11", "tier": "★" }, { "id": "S38", "title": "DASMA. Edge Sensors, TDS #368, revised November 2022.", "url": "https://www.dasma.com/wp-content/uploads/2022/12/TDS368.pdf", "checked": "2026-09-11", "tier": "★" }, { "id": "S39", "title": "Indiana Department of Homeland Security. Code Enforcement: state fire/building-code resources.", "url": "https://www.in.gov/dhs/fire-and-building-safety/code-enforcement/", "checked": "2026-09-11", "tier": "★" }, { "id": "S40", "title": "Allen County, Indiana. Building Department: official department and Citizen Access resource route.", "url": "https://www.allencounty.in.gov/234/Building-Department", "checked": "2026-09-11", "tier": "★" }, { "id": "S41", "title": "Trachte. Careers: TBS Companies business list, including Trac-Rite. Undated page.", "url": "https://www.trachte.com/careers/", "checked": "2026-09-11", "tier": "★" }, { "id": "S42", "title": "Trachte. Trachte Unveils Refreshed Brand as It Celebrates 125 Years. March 12, 2026; TBS Companies identity.", "url": "https://www.trachte.com/press-release/trachte-unveils-refreshed-brand-as-it-celebrates-125-years/", "checked": "2026-09-11", "tier": "★" }, { "id": "S43", "title": "NFPA. Frequently Asked Questions About Fire Doors and NFPA 80. April 11, 2025. Issuer explanation, including minimum annual inspection and qualified-person requirements.", "url": "https://www.nfpa.org/news-blogs-and-articles/blogs/2025/04/11/fire-doors-faqs", "checked": "2026-09-11", "tier": "★" }, { "id": "S44", "title": "NFPA. How Is a Rolling Fire Door Inspection Different From a Swinging Door? January 15, 2021. Issuer explanation of annual inspection and 6–24 in./s average closing-speed range.", "url": "https://www.nfpa.org/news-blogs-and-articles/blogs/2021/01/15/How-is-a-rolling-fire-door-inspection-different-that-a-swinging-door", "checked": "2026-09-11", "tier": "★" }, { "id": "S45", "title": "UL. New U.S.–Canada Binational Standard Published for Door and Gate Operators and Systems. September 11, 2018. UL 325 explanation.", "url": "https://www.ul.com/news/new-us-canada-binational-standard-published-door-and-gate-operators-and-systems", "checked": "2026-09-11", "tier": "★" }, { "id": "S46", "title": "ANSI Webstore / NEMA. ANSI Z535.4-2023, Product Safety Signs and Labels. Standard catalog and scope.", "url": "https://webstore.ansi.org/standards/nema/ansiz5352023-2516192", "checked": "2026-09-11", "tier": "★" }, { "id": "S47", "title": "Whiting Door Manufacturing Corp. Premium Dry Freight Installation Drawing, D1037-2, dated December 10, 2002. Visual mechanism reference only.", "url": "https://www.whitingdoor.com/documents/customer-support/installation/installation-drawings/plywood-core-dry-freight/Premium-Dry-Freight-Installation-Drawing.pdf", "checked": "2026-09-11", "tier": "★" }, { "id": "S48", "title": "Whiting Door Manufacturing Corp. General Purpose Dry Freight Installation Drawing, D4656 Rev. A. Visual mechanism reference only.", "url": "https://www.whitingdoor.com/documents/customer-support/installation/installation-drawings/plywood-core-dry-freight/General-Purpose-Dry-Freight-Installation-Drawing.pdf", "checked": "2026-09-11", "tier": "★" }, { "id": "S49", "title": "Griffon Corporation. Corporate business portfolio: Clopay, Cornell and Cookson. Current company page.", "url": "https://griffon.com/", "checked": "2026-09-11", "tier": "★" } ], "dasma_tds277_entries": [ { "term": "Access Panel", "kind": "def", "fire_door_only": false }, { "term": "Adjusting Wheel", "kind": "xref", "fire_door_only": false }, { "term": "All Weather Door", "kind": "def", "fire_door_only": false }, { "term": "Astragal", "kind": "def", "fire_door_only": false }, { "term": "Authority Having Jurisdiction (AHJ)", "kind": "def", "fire_door_only": true }, { "term": "Automatic Closing Device", "kind": "def", "fire_door_only": true }, { "term": "Automatic Fire Detectors", "kind": "xref", "fire_door_only": true }, { "term": "Backroom", "kind": "def", "fire_door_only": false }, { "term": "Barrel Assembly", "kind": "def", "fire_door_only": false }, { "term": "Barrel Ring", "kind": "def", "fire_door_only": false }, { "term": "Bar Stop", "kind": "xref", "fire_door_only": false }, { "term": "Base Plate", "kind": "def", "fire_door_only": false }, { "term": "Bellmouth", "kind": "def", "fire_door_only": false }, { "term": "Between Jamb Mounted", "kind": "def", "fire_door_only": false }, { "term": "Bottom Bar", "kind": "def", "fire_door_only": false }, { "term": "Brackets", "kind": "def", "fire_door_only": false }, { "term": "Brush Seals", "kind": "def", "fire_door_only": false }, { "term": "Brush Weather-Stripping", "kind": "def", "fire_door_only": false }, { "term": "Cable Sensor Edge", "kind": "def", "fire_door_only": false }, { "term": "Chain Hoist", "kind": "def", "fire_door_only": false }, { "term": "Charge Pin", "kind": "def", "fire_door_only": false }, { "term": "Charge Wheel", "kind": "xref", "fire_door_only": false }, { "term": "Closed Position", "kind": "def", "fire_door_only": false }, { "term": "Coiling Door", "kind": "def", "fire_door_only": false }, { "term": "Counter Shutter", "kind": "def", "fire_door_only": false }, { "term": "Counterbalancing", "kind": "def", "fire_door_only": false }, { "term": "Counterbalance Assembly", "kind": "def", "fire_door_only": false }, { "term": "Crush Plates", "kind": "def", "fire_door_only": true }, { "term": "Curtain (Grille)", "kind": "def", "fire_door_only": false }, { "term": "Curtain (Rolling Door)", "kind": "def", "fire_door_only": false }, { "term": "Curtain Slats", "kind": "def", "fire_door_only": false }, { "term": "Cycle", "kind": "def", "fire_door_only": false }, { "term": "Cylinder Lock", "kind": "def", "fire_door_only": false }, { "term": "Detectors", "kind": "def", "fire_door_only": true }, { "term": "Door/Grille Combo", "kind": "def", "fire_door_only": false }, { "term": "Double Throw Lock", "kind": "def", "fire_door_only": false }, { "term": "Drive Gear", "kind": "def", "fire_door_only": false }, { "term": "Drive Plug Assembly", "kind": "xref", "fire_door_only": false }, { "term": "Drive Shaft", "kind": "def", "fire_door_only": false }, { "term": "Dropout", "kind": "def", "fire_door_only": true }, { "term": "Drop Test", "kind": "def", "fire_door_only": true }, { "term": "\"E\" Guides", "kind": "def", "fire_door_only": false }, { "term": "Electric Sensor Edge", "kind": "xref", "fire_door_only": false }, { "term": "Electromechanical Release", "kind": "def", "fire_door_only": true }, { "term": "Emergency Electric Operation", "kind": "def", "fire_door_only": false }, { "term": "Emergency Release Device", "kind": "def", "fire_door_only": false }, { "term": "Endlock", "kind": "def", "fire_door_only": false }, { "term": "End Plates", "kind": "xref", "fire_door_only": false }, { "term": "Exterior Hood", "kind": "def", "fire_door_only": false }, { "term": "Exterior Mounted", "kind": "def", "fire_door_only": false }, { "term": "Face of Wall", "kind": "def", "fire_door_only": false }, { "term": "Fascia", "kind": "def", "fire_door_only": false }, { "term": "Fenestrated Slats", "kind": "def", "fire_door_only": false }, { "term": "Fire Door", "kind": "def", "fire_door_only": true }, { "term": "Fire Door Assembly", "kind": "def", "fire_door_only": true }, { "term": "Fire Protection Rating", "kind": "def", "fire_door_only": true }, { "term": "Fire Shutter", "kind": "def", "fire_door_only": true }, { "term": "Flame Baffle", "kind": "def", "fire_door_only": true }, { "term": "Fuse Link Housing", "kind": "def", "fire_door_only": false }, { "term": "Fusible Link", "kind": "def", "fire_door_only": true }, { "term": "Gear Cover", "kind": "def", "fire_door_only": false }, { "term": "Governor", "kind": "def", "fire_door_only": false }, { "term": "Grille Door", "kind": "xref", "fire_door_only": false }, { "term": "Guide", "kind": "def", "fire_door_only": false }, { "term": "Guide Standout", "kind": "def", "fire_door_only": false }, { "term": "Guide Weatherseal (1 Side)", "kind": "def", "fire_door_only": false }, { "term": "Guide Weatherseal (2 Side)", "kind": "def", "fire_door_only": false }, { "term": "Gusset", "kind": "def", "fire_door_only": false }, { "term": "Hand of Operation", "kind": "def", "fire_door_only": false }, { "term": "Header Seal", "kind": "def", "fire_door_only": false }, { "term": "Headplates", "kind": "xref", "fire_door_only": false }, { "term": "Headroom", "kind": "def", "fire_door_only": false }, { "term": "Helical", "kind": "def", "fire_door_only": false }, { "term": "High Cycle Design", "kind": "def", "fire_door_only": false }, { "term": "Hood", "kind": "def", "fire_door_only": false }, { "term": "Hood Baffle", "kind": "def", "fire_door_only": false }, { "term": "Horizontal Rolling Door", "kind": "def", "fire_door_only": false }, { "term": "Housing", "kind": "xref", "fire_door_only": false }, { "term": "Inertia Brake", "kind": "def", "fire_door_only": false }, { "term": "Initial Charge", "kind": "xref", "fire_door_only": false }, { "term": "Initial Tension", "kind": "xref", "fire_door_only": false }, { "term": "Initial Turns", "kind": "def", "fire_door_only": false }, { "term": "Inset", "kind": "xref", "fire_door_only": false }, { "term": "Inside Adjusting Wheel", "kind": "xref", "fire_door_only": false }, { "term": "Inside Tension Wheel", "kind": "def", "fire_door_only": false }, { "term": "Interlock, External", "kind": "def", "fire_door_only": false }, { "term": "Intermediate Hood Support", "kind": "def", "fire_door_only": false }, { "term": "Jamb", "kind": "def", "fire_door_only": false }, { "term": "Jamb Angle", "kind": "xref", "fire_door_only": false }, { "term": "Jamb Load", "kind": "def", "fire_door_only": false }, { "term": "Labeled", "kind": "def", "fire_door_only": true }, { "term": "Label Size Door", "kind": "def", "fire_door_only": true }, { "term": "Lift Handle", "kind": "def", "fire_door_only": false }, { "term": "Lintel", "kind": "def", "fire_door_only": false }, { "term": "Magnetic Release", "kind": "def", "fire_door_only": true }, { "term": "Manual Override", "kind": "def", "fire_door_only": false }, { "term": "Master Keying", "kind": "def", "fire_door_only": false }, { "term": "Metal Coiling Slat Door", "kind": "xref", "fire_door_only": false }, { "term": "Motor Cover", "kind": "def", "fire_door_only": false }, { "term": "NFPA 72", "kind": "def", "fire_door_only": true }, { "term": "NFPA 80", "kind": "def", "fire_door_only": true }, { "term": "NFPA 105", "kind": "def", "fire_door_only": true }, { "term": "Offset", "kind": "def", "fire_door_only": false }, { "term": "Oversized", "kind": "def", "fire_door_only": true }, { "term": "Packout", "kind": "def", "fire_door_only": false }, { "term": "Panic Release Device", "kind": "xref", "fire_door_only": false }, { "term": "Pass Door", "kind": "def", "fire_door_only": false }, { "term": "Perforated Slats", "kind": "xref", "fire_door_only": false }, { "term": "Pipe Shaft", "kind": "xref", "fire_door_only": false }, { "term": "Plug End", "kind": "def", "fire_door_only": false }, { "term": "Pre-Turns", "kind": "xref", "fire_door_only": false }, { "term": "Rolling Counter Door", "kind": "def", "fire_door_only": false }, { "term": "Rolling Counter Fire Door", "kind": "def", "fire_door_only": false }, { "term": "Rolling Door", "kind": "def", "fire_door_only": false }, { "term": "Rolling Fire Door", "kind": "def", "fire_door_only": true }, { "term": "Rolling Grille", "kind": "def", "fire_door_only": false }, { "term": "Rolling Service Door", "kind": "def", "fire_door_only": false }, { "term": "Rolling Service Counter Door", "kind": "xref", "fire_door_only": false }, { "term": "Rolling Sheet Door", "kind": "xref", "fire_door_only": false }, { "term": "Rolling Slat Door", "kind": "xref", "fire_door_only": false }, { "term": "Rolling Steel Door", "kind": "def", "fire_door_only": false }, { "term": "Rolling Steel Fire Door", "kind": "xref", "fire_door_only": true }, { "term": "Roll-Up Door", "kind": "xref", "fire_door_only": false }, { "term": "Safety Stop Bearing", "kind": "xref", "fire_door_only": false }, { "term": "Security Chain Box", "kind": "def", "fire_door_only": false }, { "term": "Sensing Edge", "kind": "def", "fire_door_only": false }, { "term": "Sensing Edge, Pneumatic", "kind": "def", "fire_door_only": false }, { "term": "Sensing Edge, Electric", "kind": "def", "fire_door_only": false }, { "term": "Sensing Edge, Infrared Type", "kind": "def", "fire_door_only": false }, { "term": "Service Counter Door", "kind": "def", "fire_door_only": false }, { "term": "Service Counter Fire Door", "kind": "def", "fire_door_only": true }, { "term": "Setback", "kind": "def", "fire_door_only": false }, { "term": "Side Coiling Door", "kind": "def", "fire_door_only": false }, { "term": "Sideroom", "kind": "def", "fire_door_only": false }, { "term": "Slat", "kind": "xref", "fire_door_only": false }, { "term": "Slide Bolt", "kind": "def", "fire_door_only": false }, { "term": "Slide Grille", "kind": "def", "fire_door_only": false }, { "term": "Sloped Bottom Bar", "kind": "def", "fire_door_only": false }, { "term": "Smoke Detector", "kind": "def", "fire_door_only": true }, { "term": "Smoke Gasketing", "kind": "def", "fire_door_only": true }, { "term": "Spot-Type Detector", "kind": "def", "fire_door_only": true }, { "term": "Spring Cycle Life", "kind": "def", "fire_door_only": false }, { "term": "Spring Counterbalance", "kind": "xref", "fire_door_only": false }, { "term": "Stand-out", "kind": "def", "fire_door_only": false }, { "term": "Starter, Fire Door", "kind": "def", "fire_door_only": true }, { "term": "Starter Slats", "kind": "def", "fire_door_only": false }, { "term": "Stops", "kind": "def", "fire_door_only": false }, { "term": "Stop Lock Bearing", "kind": "xref", "fire_door_only": false }, { "term": "Tapered Bottom Bar", "kind": "xref", "fire_door_only": false }, { "term": "Tension Wheel", "kind": "def", "fire_door_only": false }, { "term": "Thru-Wall Operation", "kind": "def", "fire_door_only": false }, { "term": "Thru-Wall Fusible Link", "kind": "def", "fire_door_only": true }, { "term": "Thumb Turn Mortise Cylinder", "kind": "def", "fire_door_only": false }, { "term": "Torsion Spring", "kind": "def", "fire_door_only": false }, { "term": "Tubular Operator", "kind": "def", "fire_door_only": false }, { "term": "Vehicular Access Door", "kind": "def", "fire_door_only": false }, { "term": "Vehicle Access Door", "kind": "xref", "fire_door_only": false }, { "term": "Vertically Acting Door", "kind": "def", "fire_door_only": false }, { "term": "Vision Lite", "kind": "def", "fire_door_only": false }, { "term": "Wall Angle", "kind": "def", "fire_door_only": false }, { "term": "Wicket Door", "kind": "xref", "fire_door_only": false }, { "term": "Wind Bar", "kind": "def", "fire_door_only": false }, { "term": "Windlock", "kind": "def", "fire_door_only": false }, { "term": "Working Turns", "kind": "def", "fire_door_only": false }, { "term": "\"Z\" Guides", "kind": "def", "fire_door_only": false } ], "dasma_tds283_entries": [ { "term": "Axle Assembly", "kind": "def" }, { "term": "Axle Collar", "kind": "def" }, { "term": "Bottom Bar", "kind": "def" }, { "term": "Bottom Bar Stops", "kind": "xref" }, { "term": "Brackets", "kind": "def" }, { "term": "Coiling Door", "kind": "def" }, { "term": "Commercial Door", "kind": "def" }, { "term": "Counter Shutter", "kind": "def" }, { "term": "Counterbalance Assembly", "kind": "def" }, { "term": "Curtain", "kind": "def" }, { "term": "Curtain Latch", "kind": "def" }, { "term": "Curtain Panel", "kind": "def" }, { "term": "Curtain Stops", "kind": "xref" }, { "term": "Cycle", "kind": "def" }, { "term": "Dead Axle", "kind": "def" }, { "term": "Door Only", "kind": "def" }, { "term": "Door Sheet", "kind": "xref" }, { "term": "Drum", "kind": "def" }, { "term": "End Bearing Plates", "kind": "def" }, { "term": "Extended Brackets", "kind": "def" }, { "term": "Felt Strips", "kind": "def" }, { "term": "Guide", "kind": "def" }, { "term": "Hem", "kind": "def" }, { "term": "Head Stops", "kind": "def" }, { "term": "Head Plates", "kind": "def" }, { "term": "Header Seal", "kind": "def" }, { "term": "Hood", "kind": "def" }, { "term": "Hood Baffle", "kind": "def" }, { "term": "Interlock, External", "kind": "def" }, { "term": "Jamb Clip", "kind": "def" }, { "term": "Lift Clip", "kind": "xref" }, { "term": "Live Axle", "kind": "def" }, { "term": "Mini Door", "kind": "def" }, { "term": "Rolling Sheet Door", "kind": "def" }, { "term": "Saddle", "kind": "def" }, { "term": "Seam", "kind": "def" }, { "term": "Side Draft Stop", "kind": "def" }, { "term": "Slide Bolt", "kind": "def" }, { "term": "Spring Anchor", "kind": "xref" }, { "term": "Spring Hook", "kind": "def" }, { "term": "Steel Mounting Plates", "kind": "def" }, { "term": "Step Plate", "kind": "def" }, { "term": "Stops", "kind": "xref" }, { "term": "Tensioning Device", "kind": "def" }, { "term": "Top Draft Stop", "kind": "def" }, { "term": "Top Sheet", "kind": "def" }, { "term": "Torsion Spring", "kind": "def" }, { "term": "Wear Strips", "kind": "def" }, { "term": "Wind Bar", "kind": "def" }, { "term": "Windlock", "kind": "def" } ], "methodology": { "verified": "2026-09-11", "method": "Documentary extraction and editorial normalization; direct primary-source reading and visual review of available relevant drawings. No survey, physical inspection, equipment test or compatibility test.", "count_metrics": "Definitions, cross-references, numbered callouts, delivery-check entries and maximum catalog identifiers are kept distinct.", "source_conflicts": [ "Whiting Parts List #12, Part 1-11: 115 in. (Premium Dry Freight p.6) versus 110 in. (Premium Aluminum-Clad p.12)." ], "scope": "Hazardous adjustment, assembly and fastening procedures excluded; model-specific source documents remain authoritative.", "source_numbering": "Article Source N and dataset SN refer to the same entry in the unified 49-source register.", "diagrams": "Original schematics audited against primary illustrations and descriptions; simplified sections and separately oriented detail views are explicitly labeled. Counts use distinct numbered legend identifiers within each figure." } }