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Sectional Steel Doors 424

sectional doors used on auto service building
​​​​​​​​​​​​​​​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.


Standard max width
30'2" (9195 mm)

Standard max height
24'1" (7341 mm)

1 year limited

Nominal thickness
2" (51 mm)

Exterior steel
24-gauge galvanized steel

Exterior surface

End stiles
16-gauge steel

Center stiles
16-gauge steel

Standard mounting
Angle mount

Standard track
2" (51 mm)

Standard springs
10,000 cycle

Weather Stripping
Flexible PVC bottom with retainer

Manual pull rope

White or Industrial Brown baked-on polyester

Interior mounted slide lock ​​

Door Options

Door Options

  • 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​​

Exterior Color​

  • white color swatch White

  • industrial brown color swatch Industrial Brown​​​​​​​​​
​Actual door color may vary slightly from the digital representation above.​ ​​​ ​​
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