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422 Series Insulated Door

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​​​​​​​​​​​​​​​​​​​​​​​​​Sectional Steel Door model 422 door 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 in a white finish. Polystyrene insulation provides an R-value of 7.35. The Model 422 is a 20-gauge steel door available in sizes up to 29´2" in width and 24´1" in height (8890 mm and 7341 mm). 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.​

Features

Max Width: 29'2"

Max Height: 24'1"

R Value: 7.35

Warranty: 1 Year Limited

Exterior Steel: 20 Gauge Galvanized

Exterior Surface: Ribbed

Finish: White Baked On

Interior Color: White

Back Cover: 26 Gauge Galvanized

Standard Mounting: Angle Mount

Standard Track: 2"

Weatherstrip: Standard Bottom

Standard Springs: 10,000 Cycle

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Panel Options
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Ribbed Steel

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Color Options
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White

Window Options
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Aluminum Sash Section with DSB Glazing

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Insulated DSB 24" x 7"

Door Features

Strong, Lightweight, Attractive and Durable.
 

Our model 422 insulated sectional steel doors are ideal for heavy-duty applications requiring protection against the elements. These insulated sectional steel doors feature a 16-gauge steel intermediate and end stiles and ribbed steel exterior and 26-gauge steel back cover in a white finish.

Optional Performance Package


These sectional steel doors offer an optional package that improves door performance and durability for doors with high-usage cycles. This special application package has three key components for added strength and durability: high-cycle torsion springs in 25K, 50K, 75K or 100K cycles, a solid-steel shaft to reduce fatigue and deflection, and a heavy-duty 3” track. Also available is an integrated line of electric operators designed specifically for these heavy-duty doors, which enhances reliable performance for years to come.

Design Options

 

These sectional steel doors offer plenty of options to meet your aesthetic and functional requirements. You’ll have the choice of full-sash section or individual-panel glazing to control the amount of light infiltration and permit visitor identification. Bracket mounting is available (except on full vertical doors). A variety of bottom strips and jamb weatherseals minimize air infiltration and accommodate any number of field conditions, including sloping grades.

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