Product Specs


  • Bottom bar assembly includes heavy-duty steel angle, extruded aluminum bottom bar and replaceable tubular-type vinyl astragal
  • Door insulation features two layers of aluminum mylar film laminated to two layers of heavy-duty polyethylene air-bubble material
  • Polypropylene anti-wear strips on continuous guides for sliding metal parts
  • Drum wheel is deep-drawn galvanized steel with 1-5/16″ steel bearings
  • Corrugated top sheet assembly
  • Cast windlocks are riveted


  • Corrugated top sheet assembly forms a strong torque cylinder for strength and easy operation
  • Polypropylene anti-wear strips provide quieter operation and longer service life
  • Cam-action spring tensioning device allows easy adjustment of spring tension
  • Tempered steel springs are engineered to counterbalance different door sizes


  • Curtain lock, two-bolt double shackle lock, or cylinder lock



Material  Galvanized Steel
Insulation Value 

R0-R6 = 1 star
R7-R9 = 2 star
R10-R13 = 3 star
R14 and up = 4 star

R-Value info

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