Sectional Steel Door Model 424 Model 424

Sectional Steel Door Model 424 Model 424

Section Steel Door model 424 are designed for heavy-duty use in a variety of commercial and industrial applications. This door features a 2" (51 mm) panel thickness, 16-gauge steel intermediate and end stiles, ribbed steel exterior and a white paint finish. The Model 424 is available in sizes up to 30´2" (9195 mm) in width and 24´1" (7341 mm) in height, and is also available in Industrial Brown. Numerous options including weather stripping, reinforced struts, movable center posts and motor operation allow these heavy-duty doors to meet nearly any project requirements.


Product Specifications 
Standard Max Width30'2" (9195 mm)
Standard Max Height24'1" (7341 mm)
Nominal thickness2" (51 mm)
Exterior steel24-gauge galvanized steel
Exterior surfaceRibbed
End stiles16-gauge steel
Center stiles16-gauge steel
Standard mountingAngle mount
Standard track2" (51 mm)
Standard springs10,000 cycle
Weather StrippingFlexible PVC bottom with retainer
Weather StrippingFlexible PVC bottom with retainer
OperationManual pull rope and electric operator
FinishWhite or Industrial Brown baked-on polyester
LockInterior mounted slide lock
Wind LoadFBC approved wind load options available


  • 1-year limited

  • Ribbed Panel

  • white color swatch


  • industrial brown color swatch

    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 1/8" (3 mm) DSB; 1/8" (3 mm) and 1/4" (6 mm) acrylic; 1/8" (3 mm) and 1/4" (6 mm) polycarbonate; 1/8" (3 mm) and 1/4" (6 mm) tempered; 1/4" (6 mm) wired
  • 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
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