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Commercial Roll Up Door Model 3400 / 3400i

Miami-Dade County Certified Wind Load Rated Steel Roll Up Door

Miami-Dade County Certified Wind Load Rated Rolling Sheet Door

The Model 3400 series commercial roll up door has been specifically engineered for Miami-Dade County, Florida. With an ability to withstand high winds, the sheet metal door meets Miami-Dade County’s stringent building codes. The door is also easy to install and uses a 12” drum wheel. Other features and specific measurements of the door are as follows:

  • Maximum opening size of 12’ wide x 16’ high (192 sq.ft.)
  • Push-up, hand chain and electric operations
  • PSF Ratings:
    •     +43 PSF and -49 PSF

Features Include


  • 24-gauge galvanized corrugated steel
  • Grade 80 galvanized steel
  • Available in white only
  • Super Durable polyester paint coatings, which are corrosion resistant
  • Wash coat over primer interior side
  • 40-year film integrity warranty — up to 30-year chalk and fade
  • Flexible nylon wear strips

Bottom Bar

  • 24 gauge acrylic-coated galvalumed roll formed steel
  • 2” x 1 ½” galvanized angle
  • Bulb astragal (Durometer 75)
  • Stainless steel nuts and bolts

Axle/Torque Tube

  • Oil tempered torsion springs conforming to ASTM A229
  • 16-gauge, 12” diameter galvanized drum
  • Low friction, grease-filled steel ball bearings staked in each drum
  • 26 gauge spiral torque tubing that houses axle assembly


  • 12 gauge galvanized steel guide, with 11 gauge windlock bar spot welded guide
  • Bolt on head stop ¼” thick steel
  • 2-7/8″ guide depth
  • Pre-punched for lock and attachment bolts
  • Vinyl guide wear strip
  • Universal jamb mount


  • Bottom bar mounted 10 gauge slide locks – 2 per door
  • Bottom bar mounted 16 gauge step plate – 2 per door
  • 12 gauge door mounting brackets
  • 1-5/16” tension holding device

To purchase one of our 3400 series or to learn more information, call us at (770) 562-2850 or contacting us. A member of our team will be in contact with you soon.

Control Accessories and Options


  • Insulation Series 3400 I
  • Top draft stop
  • Side draft stop
  • Header seal
  • Chain hoist 5.7:1 reduction
  • Electric operator
  • Hood
  • Steel mounting plates
  • Stainless steel mini latch