Alpine Overhead Doors

Auto Fire-Storm® IMB

Product Features:
  • High quality rolling metal fire doors with insulated metal back
  • Approved by Dade County Florida and Florida Building Commission to withstand 187 mph winds 
  • Doesn’t need to be mechanically reset 
  • after testing 
  • Optional smoke rating with addition of smoke seals
Functional Benefits:
  • Insulated front slat has been missile tested to ensure safety against flying debris
  • Design pressure of +60 psf & -60 psf, 1.5 Safety factor, 90+/- psf
  • Eliminates all mechanical fire gears on the brackets and the need to reset spring tension
  • 3 hr Rating – 3 hour approved for doors in dividing fire walls 
  • 1-1/2 hr Rating – 1.5 hour approved for doors, in vertical shaft openings
  • 3/4 hr Rating – 0.75 hour approved for doors in a corridor or a room-partition
  • 4 Hour Rated (Optional) – Consult factory for more information
  • Fire rated doors over 152 square feet will receive a Classified UL label marked “OVERSIZE ROLLING STEEL FIRE DOOR” that includes the hourly rating as well as the certification number
CAD Drawings Alpine Overhead Doors Auto Fire-Storm® IMB

All Available Specifications