3100 Series

Built to stand up to strong winds for years with little-to-no maintenance, the durable 3100 Series door meets the stringent building codes of many coastal areas.

Product Information


Features include deep engagement guides and side curtain "J" shaped windlocks to maintain the operational integrity of the door and comply with most state and local building codes.


  • 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
  • 12-gauge galvanized steel
  • 12-gauge wind bar
  • Bolt on headstop
  • Pre-punched holes for attachment fasteners
  • Stamped axle supports
  • Slide locks, two per door
  • Step plate; two per door
  • 1/4" steel angle T-bracket
  • Chain hoist 8:1 reduction
  • Header seal
  • Hood
  • Steel mounting plates
  • Motor operator

Available Colors

Hover mouse on a swatch to see a larger view.

Standard Colors
Specialty Colors

Note: An upcharge will be applied to all specialty door colors on all door models.

Contact Us 768x295_revised red-2

Request a Quote

Receive an estimate tailored to your project needs.

Get a Quote