Overhead Door of Austin

Overhead Door- Model 426 Insulated Steel Sectional Door

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 in a white finish. Polystyrene insulation provides an R-value of 7.35. The 426 Series is a 24-gauge door available in sizes up to 28´2" in width and 24´1" in height (8585 mm and 7341 mm) and is also offered in 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.

Standard Max Width

28'2" (8585 mm)

Standard Max Height

24'1" (7341 mm)


1 year limited

Nominal Thickness

2" (51 mm)


Expanded polystyrene


7.35 (1.29 W/Msq)

Exterior Steel

24-gauge galvanized steel

Exterior Surface


End Stiles

16-gauge steel

Center Stiles

16-gauge steel

Interior Color


Back Cover

26-gauge galvanized steel (poly-backed, HIPS backed optional)

Standard Mounting

Angle mount

Standard Track

2" (51 mm)

Standard springs

10,000 cycle


Standard on bottom


Manual pull rope


White or Industrial Brown baked-on polyester


Interior mounted slide lock

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