Sectional Steel Door 420

The Model 420 is a heavy-duty, non-insulated sectional steel door for warehouses and industrial buildings, in sizes up to 31’2″ wide and 24’1″ high.

Its 2″ sections use 16-gauge intermediate and end stiles and a ribbed steel face. Add weatherstripping, struts, removable center posts or a motor operator.

Key features include steel construction and 2″ sections. It fits openings up to 31’2″ wide and 24’1″ high. Wind-load rated versions are available. Need sectional doors for your facility? We handle measuring, supply, installation and ongoing service across New York City and Long Island.

Construction

Product Specifications
Standard Max Width 31’2″ (9500 mm)
Standard Max Height 24’1″ (7341 mm)
Nominal thickness 2″ (51 mm)
Exterior steel 20-gauge galvanized steel
Exterior surface Ribbed
End stiles 16-gauge steel
Center stiles 16-gauge 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 or electric operator
Finish White baked on-polyester
Lock Interior mounted slide lock
Wind Load FBC approved wind load options available

 

Warranty

  • 1-year limited
Colors

  • white color swatch

    White

Enhancements
  • Chain Hoist or Electric Operator is recommended for doors above 10’ tall or more than 400 pounds
  • 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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