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426 Series Insulated Door


​​​​​​​​​​​​​​​​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.


Max Width: 28'2"

Max Height: 24'1"

Warranty: 1 Year Limited

Exterior Steel: 24 Gauge Galvanized

Exterior Surface: Ribbed

Finish: White or Industrial Brown Baked On

Interior Color: White

Back Cover: 26 Gauge Galvanized

Standard Mounting: Angle Mount

Standard Track: 2"

Weatherstrip: Flexible PVC Bottom with Retainer

Standard Springs: 10,000 Cycle

Panel Options

Ribbed Steel

Color Options


Industrial Brown.jpg

Industrial Brown

Window Options
Alumimum Sash Sec. DSB Glazing.JPG

Aluminum Sash Section with DSB Glazing

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