Service Doors are used to provide security against entry or weather protection at exterior or interior openings in industrial, commercial, institutional & other buildings.
Sizes:
30' wide, 30' high standard construction. Large openings to 50' wide, 40' high, consult factory.
Operation:
Motors, chain, hand-crank or push-up designs based on size, weight or frequency of operation.
Usage:
Standard construction is up to 20 cycles per day with High Cycle Construction available for doors expected to be operated more than 20 cycles per day, i.e. parking garages, sally ports.
Fast Acting Doors:
For high traffic openings or where air flow or temperature control is critical, doors can be designed to operate at more than twice the speed of typical doors, or up to 2 ft./sec.
Wind Load:
Doors can be configured to withstand the full range of specific wind load requirements including missile impact ratings.
Seismic Performance Validation:
Specific seismic calculations can be provided for all doors that are mounted Face of Wall or Between Jambs to steel or masonry.
Materials & Finishes:
Standard door curtains are availalbe in 24, 22, 20 and 18 gauge galvanized steel in light gray, white or tan. Also 20 gauge 300 series stainless steel with # 4 finish or #16 B&S gauge aluminum with mill, clear or color anodized finish.
Locks:
Wall mounted chain keeper or zinc plated steel slide bolt with padlock provisions
Operation:
Chain hoist is standard; motor or manual operation is optional
