424 Series


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

Standard Max Width

20’2″ (6147 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

Back Cover

26-gauge galvanized steel

Standard Mounting

Angle mount

Standard Track

2″ (51 mm)

Standard Springs

10,000 cycle


Flexible PVC bottom with retainer


Manual pull rope


White or Industrial Brown baked on-polyester

Interior Color



Interior mounted slide lock