Sectional Steel Doors 422 Series

422 Series

The 422 Series 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 422 Series 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.

Standard max width

29'2" (8890 mm)

Standard max height

24'1" (7341 mm)

Warranty

1 year limited

Nominal thickness

2" (51 mm)

Insulation

Expanded polystyrene

R-value

7.35 (1.29 W/Msq)

Exterior steel

20-gauge galvanized steel

Exterior surface

Ribbed

End stiles

16-gauge steel

Center stiles

16-gauge steel

Interior color

White

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

Weatherstripping

Standard on bottom

Operation

Manual pull rope

Finish

White baked on-polyester

Lock

Interior mounted slide lock

Glazing

Full sash section with 1/8" (3 mm) DSB insulated;
1/8" (3 mm) and 1/4" (6 mm) plexiglass
Individual lites with 1/8" (3 mm) DSB;
1/8" (3 mm) and 1/4" (6 mm) plexiglass;
1/8" (3 mm) and 1/4" (6 mm) Lexan;
1/8" (3 mm) and 1/4" (6 mm) Tempered;
1/4" (6 mm) wired

Safety

Bottom sensing edge

Operation

Electric operator or chain hoist

Hardware

3" (76 mm) track
Bracket mounting (not available on full vertical door tracks)
Higher-cycle springs in 25k, 50k, 75k, 100k cycles
Reinforcing struts of roll-formed steel slat sections

Knock & Lock^® breakaway door system

Weatherstripping

Jamb weatherseals, Bottom strips (including looped PVC weatherstrips), flexible PVC astragal weatherstrips, and double-contact weatherstrips

Exhaust ports

Movable center posts for 2" (51 mm) or 3" (76 mm) tracks that roll away, with automatic safety catches that prevent door closure when posts are removed