650 Series

Transform your building's exterior and protect your assets with DBCI's economically-efficient 650 Series steel-curtain roll-up door.

Product Information

Product Information

The 650 Series was engineered to protect and maintain building envelopes in extreme conditions without the heavy, weighted elements frequently required in commercial use.


  • 26-gauge galvanized, Grade E hard steel
  • 5/8" ribbed corrugation
  • All latches accept double locks and 7/16" shackles
  • Max opening size 10' x 10'
Bottom Bar
  • 6063 - T6 aluminum extrusion 
  • 1 1/2" x 1 1/2" galvanized angles
  • Replaceable bulb astragal
Axle-Drum Assembly
  • 1 5/16" O.D. steel axle, 14-gauge 
  • Utilizes 9 1/2", 18-gauge drums
  • Oil-tempered, e-coated torsion springs, available in two springs upon request from 7' to 10' wide
  • Full-accessible springs for inspection and maintenance
Guide System
  • 18-gauge galvanized steel
  • Pre-punched holes for anchors, slide latch, bracket attachment and head-stop attachment
  • Polyethylene guide strips provide easy, quiet operation
  • 12-gauge head stops have slotted mounting holes for proper attachment
  • 14-gauge galvanized steel handles
  • 12-gauge tension bracket made for additional strength
  • Shielded radial bearings for smooth operation
  • Gear-driven tensioning bracket allows for smooth adjustment
  • 12-gauge bearing bracket on right side
  • Stainless steel standard latch
  • Top and side draft stop
  • Weatherizing Storage Door Curtains
  • Can be paired with the Liftmaster 8950 motor operator
  • Available with insulation as the 651 Series Door
Minimum Clearance
  • For proper exterior door installation, a 1/2" deep rain lip must be formed in the concrete slab extending a minimum of 3 1/2" from the interior face of the jamb.

Available Colors

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Standard Colors
Specialty Colors

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

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