Garage Doors - Overhead Doors - Steel Roll-up Doors - 3100 - Heavy Duty Wind Lock
Garage Doors - Overhead Doors - Steel Roll-up Doors - 3100 - Heavy Duty Wind Lock
GARAGE DOORS - 3100 SERIES
Built to stand up to strong winds for years with little-to-no maintenance, the durable 3100 Series garage door meets the stringent building codes of many coastal areas.
Features include deep engagement guides and side curtain "J" shaped windlocks to maintain the operational integrity of the garage door and comply with most state and local building codes.
For the 3100 Series, sizes 8W x 8W to 12W x 12W, a 4:1 Chain Hoist is included. For larger sizes; an 8:1 Chain Hoist is included.
If you prefer, we have Electric Motors for your larger garage doors. A chain hoist sizing chart is below.

For this garage door technical sheet, click HERE
for a technical drawing of this garage door, click HERE
Curtain
- 26-gauge galvanized, Grade 80 steel
- Three-rivet windlock attachment
- Max opening size 20' x 18'
- Super-durable polyester paint
Bottom Bar
- 2" x 1-1/2" Min. galvanized angle
- Bulb astragal
- Stainless steel nuts and bolts
Axle/Torque Tube
- Oil tempered torsion springs conforming to ASTM A229
- 12” diameter galvanized steel drum
- Low friction, grease-filled steel ball bearings in each drum
- 26 gauge spiral torque tubing that houses axle assembly
Guides
- 12-gauge galvanized steel
- 12-gauge wind bar
- Bolt on headstop
- Pre-punched holes for attachment fasteners
Hardware
- Stamped axle supports
- Slide locks, two per door
- Step plate; two per door
- 1/4" steel angle T-bracket
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