Manufacturer of 
Quality Rolling Steel Doors

Made In USA

Auto Smoke Fire-Tite® IMB - Smoke Sealed Insulated Fire Doors


Product Features

  • High quality fire door designed to prevent the spread of smoke
  • Perimeter smoke seals standard
  • Approved for stainless steel fire doors
  • Oversize UL label up to 56′ x 30′
  • Built in accordance with the requirements specified by Underwriters Laboratories Inc.
  • STC rating of 23

FM Approved

3 Hour approved for smoke and fire doors in dividing fire walls with openings not exceeding 120 sq. ft. in area. • 1.5 Hour approved for smoke rated shutter in vertical shaft openings not exceeding 120 sq. ft. in area. • .75 Hour approved for smoke contained doors in corridor or room-partition opening not exceeding 120 sq. ft. in area. • 1.5 Hour approved for rolling smoke doors in exterior wall opening not exceeding 120 sq. ft. in area.

The Alpine Auto-Smoke, Fire-Tite® smoke contained door has all the features of the Fire-Tite® with the addition of an “S” rating for smoke leakage. The Auto-Smoke, Fire-Tite® smoke rated shutter utilizes a vinyl smoke seal on the bottom bar, brush seals on the guides and lintel to stop the movement of smoke fire through the rolling smoke door. This prevents property damage and health risks.

Auto-Smoke, Fire-Tite® rolling smoke door curtains are constructed of galvanized steel in IMB-V7 Insulated slats, and can be finished with powder coating or baked enamel finishes. Each smoke contained door is equipped with a 22 gauge steel hood formed to fit the contour of the end brackets. Durable ductile iron endlocks with 1/4″ semi-solid rivets and wind locks are available. Our fire and smoke rated shutter supports and brackets are all steel plates no less than 1/4″ thick. Alpine’s Torsion Counterbalance Assembly is state of the art, providing maximum security and ease of use.