Sectional Overhead Doors
Cross-references re-pointed to the standard that now owns each subject, after neighboring standards were remade
Showing changes from Rev 4
to Rev 5
in Sectional Overhead Doors.
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title: Sectional Overhead Doors
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description: >
When to use: Upward-acting sectional overhead doors whose horizontal panels (sections) hinge together and track horizontally beneath the ceiling when open, serving loading docks, drive-through service openings, parking garages, warehouses, and light-industrial buildings. Covers insulated (foamed polyurethane sandwich), non-insulated (ribbed or pan steel), and full-vision aluminum-and-glazing doors; panel material, gauge, thickness, and finish; vision lites and glazing; weatherseals and air-infiltration class; torsion and extension counterbalance and cycle-life rating; track and lift configuration selected by available headroom and sideroom; wind-load design pressure and reinforcement; manual chain-hoist and motor operation with UL 325 entrapment protection; installation, field testing including the safety-reverse test, and warranty.
− Not intended for: Overhead coiling and rolling doors and coiling grilles whose curtain rolls onto a barrel above the opening (see [[sync/overhead-coiling-doors]]); high-speed fabric or rubber roll-up doors; fire-rated rolling doors and counter shutters (fire-rated openings in this category are normally protected by rolling assemblies, see [[sync/overhead-coiling-doors]]); swinging or sliding hollow-metal doors and frames (see [[sync/doors-frames-and-hardware]]); impact traffic doors; and loading-dock equipment such as levelers, seals, and shelters.
+ Not intended for: Overhead coiling and rolling doors and coiling grilles whose curtain rolls onto a barrel above the opening (see [[sync/overhead-coiling-doors]] and [[sync/coiling-grilles]]); high-speed fabric or rubber roll-up doors; fire-rated rolling doors and counter shutters (fire-rated openings in this category are normally protected by rolling assemblies, see [[sync/overhead-coiling-doors]]); swinging or sliding hollow-metal doors and frames (see [[sync/doors-frames-and-hardware]]); impact traffic doors; and loading-dock equipment such as levelers, seals, and shelters.
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## Spare seals and rollers are inexpensive insurance against downtime on high-cycle dock doors, and a spare operator control board and remote are warranted on automated openings. {note}