Insulated Sectional Steel Door 426

Sectional Steel Door 426

Model 426

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.

Construction

Product Specifications

Operation

Manual

Curtain Frame

Truss-like aluminum top and bottom plates; 1/8” (3 mm) thick

Panel Width

7” (178 mm) standard body; 4” (102 mm) slim body

Finish

Aluminum clear anodized

Trolley assembly

1 1/8” (29 mm); vertical adjustment 1″ (25 mm) up/down without curtain removal

Track detail

Top-mounted, heavy-duty aluminum sections
Height: 1 5/8″ (41 mm)
Width: 1 3/8″ (35 mm)

Track Curves and Radius

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

Post types

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

Locking mechanisms

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

Warranty

24 month OEM limited

Door Options

Custom radii and curves
Emergency Egress Door

Model 679

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

Model 679

Slim Body

Curtain:4″ (102 mm) standard width, 0.07″ (1.78 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 3 1/2″ (89 mm) viewable area