Model 420

Sectional steel door model 420 is designed for heavy-duty use in a variety of commercial and industrial applications. The Model 420 door features a 2″ (51 mm) panel thickness, 16-gauge steel intermediate and end stiles, ribbed steel exterior and a white paint finish. This 20-gauge steel door is available in sizes up to 31´2″ (9500 mm) in width and 24´1″ (7341 mm) in height. Numerous options including weatherstripping, reinforced struts, movable center posts, and motor operation allow these heavy-duty doors to meet nearly any project requirements.

Category:

Features

Standard max width

31’2″ (9500 mm)

Standard max height

24’1″ (7341 mm)

Warranty

1 year limited

Nominal thickness

2″ (51 mm)

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

Standard mounting

Angle mount

Standard track

2″ (51 mm)

Standard springs

10,000 cycle

Weather Stripping

Flexible PVC bottom with retainer

Operation

Manual pull rope

Finish

White baked on-polyester

Lock

Interior mounted slide lock

Door Options

Door Options

  • Electric operator or chain hoist
  • Bottom sensing edge
  • Full sash section with 1/8″ (3 mm) DSB, insulated; 1/8″ (3 mm) and 1/4″ (6 mm) acrylic
  • Individual lites with 1/8″ (3 mm) DSB; 1/8″ (3 mm) and 1/4″ (6 mm) acrylic; 1/8″ (3 mm) and 1/4″ (6 mm) polycarbonate; 1/8″ (3 mm) and 1/4″ (6 mm) tempered; 1/4″ (6 mm) wired
  • 3″ (76 mm) track
  • Bracket mounting (not available on full vertical door tracks)
  • Higher-cycle springs in 25k, 50k, 75k, 100k cycles
  • Exhaust ports
  • Jamb weather seals
  • Bottom strips; including: looped PVC weatherstrips, flexible PVC astragal weatherstrips, and double-contact weatherstrips
  • Reinforcing struts of roll-formed, galvanized steel
  • 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
  • Tumbler keyed lock
  • Window Glazing Options
  • Impact Section Available

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