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Sectional Steel / 424 Series

The 424 Series doors are designed for heavy-duty use in a variety of commercial and industrial applications. The 424 Series features a 2" (51 mm) panel thickness, 16-gauge steel intermediate and end stiles, ribbed steel exterior and a white paint finish. The 424 Series is available in sizes up to 30´2" in width and 24´1" in height (9195 mm and 7341 mm), and is also available in Industrial brown. Numerous options--including weatherstripping, reinforced struts, movable center posts, and motor operation -- allow these heavy-duty doors to meet nearly any project requirements.

Features

Standard Max Width

30'2" (9195 mm)

Standard Max Height

24'1" (7341 mm)

Warranty

1 year

Insulation

Expanded polystyrene

R-value

Polystyrene 7.35 (1.29 W/Msq)

Exterior steel

24-gauge galvanized steel

Exterior surface

Ribbed

Exterior stiles

16-gauge steel

Center stiles

16-gauge steel

End stiles

16-gauge steel

Interior color

White

Back cover

26-gauge galvanized steel

Standard mounting

angle mount

Standard track

2" (51mm)

Standard springs

10,000 cycle

Weatherstripping

flexible PVC bottom with retainer

Operation

manual pull rope

Finish

White or Industrial Brown baked on-polyester

Lock

interior mounted slide lock

Options

Glazing

Full sash section with 1/8" (3 mm) DSB;
1/8" (3 mm) insulated;
1/8" (3 mm) and 1/4" (6 mm) plexiglass
Individual lites with 1/2" insulated DSB

Safety

Bottom sensing edge

Operation

Electric operator or chain hoist

Hardware

3" (76 mm) track
Bracket mounting (not available on full vertical (door tracks)
Higher-cycle springs in 25k, 50k, 75k, 100k cycles
Reinforcing struts of roll-formed steel hat sections

Knock & Lock Breakaway Door System

Weatherstipping

Jamb weatherseals, Bottom strips, including looped PVC weatherstrips, flexible PVC astragal weatherstrips and double-contact weatherstrips

Exhaust ports

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

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