Sectional Steel Door Model 426
Model 426
Sectional steel door model 426 is ideal for heavy-duty applications requiring protection against the elements. These doors feature a 2″ (51 mm) panel thickness, 16-gauge steel intermediate and end stiles, ribbed steel exterior and 26-gauge steel back cover. Polystyrene insulation provides an R-value of 7.35. The Model 426 is a 24-gauge door available in sizes up to 28´2″ (8585 mm) in width and 24´1″ (7341 mm) in height and is offered in white or industrial brown. A multitude of options including reinforcing struts, movable center posts, and motor operation allow these insulated heavy-duty doors to be used in a variety of commercial and industrial environments.
Overview
Construction
| Product Specifications | |
|---|---|
| Standard Max Width | 28’2″ (8585 mm) |
| Standard Max Height | 24’1″ (7341 mm) |
| Nominal thickness | 2″ (51 mm) |
| Insulation | Expanded polystyrene |
| R-value | 7.35 (1.29 W/Msq) |
| Exterior steel | 24-gauge galvanized steel |
| Exterior surface | Ribbed |
| End stiles | 16-gauge steel |
| Center stiles | 16-gauge steel |
| Interior color | White |
| Back cover | 26-gauge galvanized steel (poly-bonded laminate, high impact polystyrene (HIPS) backed optional) |
| Standard mounting | Angle mount |
| Standard track | 2″ (51 mm) |
| Standard springs | 10,000 cycle |
| Weather Stripping | Standard on bottom |
| Operation | Manual pull rope or electric operator |
| Finish | White or Industrial Brown baked-on polyester |
| Lock | Interior mounted slide lock |
| Wind Load | FBC approved wind load options available |
Warranty
- 1-year limited
Options
Ribbed Panel
White
Industrial Brown
Actual door color may vary slightly from the digital representation above.
- Chain Hoist or Electric Operator is recommended for doors above 10’ tall or more than 400 pounds
- Bottom sensing edge
- Full sash section with 1/8″ (3 mm) DSB, insulated; 1/8″ (3 mm) and 1/4″ (6 mm) acrylic
- Individual lites with 1/2″ (13 mm) DSB
- 3″ (76 mm) track
- Bracket mounting (not available on full vertical door tracks)
- Higher-cycle springs in 25k, 50k, 75k, 100k cycles
- Exhaust ports
- Jamb weather seals
- Bottom strips; including: looped PVC weatherstrips, flexible PVC astragal weatherstrips, and double-contact weatherstrips
- Reinforcing struts of roll-formed, galvanized steel
- Movable center posts for 2″ (51 mm) or 3″ (76 mm) tracks that roll away, with automatic safety catches that prevent door closure when posts are removed
- Tumbler keyed lock
- Window Glazing Options
- Warehouse Package – Quick install system available
- Impact Section Available
Documents
Insulated Sectional Steel Door
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