Overhead Door- Model 420 Steel Sectional Door

Sectional Steel Doors 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

Design Highlights

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

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