Model 426

Sectional steel door model 426 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. Polystyrene insulation provides an R-value of 7.35. The Model 426 is a 24-gauge door available in sizes up to 28´2" (8585 mm) in width and 24´1" (7341 mm) in height and is offered in white or industrial brown. 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.

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Options

Design

400 SERIES WHITE

Lites

ALUMINUM SASH SECTION
GLAZING - THERMAL 24X7

Accessories

  • 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 ​

Colours

White
Industrial
Brown​​​​​​​​​

Actual door color may vary from the digital representation shown here.

Color samples are available by request.

Features

Standard max width:

28'2" (8585 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:

24-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 or Industrial Brown baked-on polyester

Lock:

Interior mounted slide lock

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