Model 422

Sectional Steel Doors | Commercial Products

​​​​​​​​​​​​​​​​​​​​​​​​​Sectional Steel Door model 422 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 Model 422 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.​

sectional-steel-door-422-wide

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 1/2″ (13 mm) DSB
  • 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​​

Features

  • 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-bonded laminate, high impact polystyrene (HIPS) backed optional)
  • Standard mounting Angle mount
  • Standard track 2″ (51 mm)
  • Standard springs 10,000 cycle
  • Weather Stripping Standard on bottom
  • Operation Manual pull rope
  • Finish White baked on-polyester
  • Lock Interior mounted slide lock ​​​