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.
Manual
Truss-like aluminum top and bottom plates; 1/8” (3 mm) thick
7” (178 mm) standard body; 4” (102 mm) slim body
Aluminum clear anodized
1 1/8” (29 mm); vertical adjustment 1″ (25 mm) up/down without curtain removal
Top-mounted, heavy-duty aluminum sections
Height: 1 5/8″ (41 mm)
Width: 1 3/8″ (35 mm)
90°: Standard body: 14” (356 mm) radius;
Slim body: 10” (254 mm) radius
120°, 135° and 150°; Standard and Slim body:
10” (254 mm) radius
Lead post
Hook lock and wall channel; bi-part; top and bottom shoot bolts
Intermediate post
Bottom shoot bolt
Trailing end post
Traveling; fixed; hook lock and wall jamb; top and bottom shoot bolts; carrier
Lead post
Concealed cylinder-operated hook lock accessible from interior and exterior
Intermediate post
Concealed cylinder-operated shoot bolt accessible from one side only
Trailing end post
Attached 10’ max. (3048 mm) protection plate self-locking into a steel V-Stop
Standard Body

Curtain: 7” (178 mm) standard width, 0.078″ (2 mm) thick solid aluminum that fit into aluminum hinges. Panels are framed by min. 4″ (102 mm) high aluminum bottom plates and top plates.
Visibility: 0% of 6 1/8″ (156 mm) viewable area
Slim Body

Visibility: 0% of 3 1/2″ (89 mm) viewable area