Manufacturer of 
Quality Rolling Steel Doors

Made-In-USA

Smoke Fire-Tite® IMB - UL, cUL & FM Approved Insulated Fire Doors

Smoke Fire Tite IMB Logo

Product Features

  • High quality insulated fire door designed to prevent the spread of smoke
  • All the features of the coiling Fire-Tite® with the addition of an “S” rating for smoke leakage
  • Perimeter smoke seals standard
  • Approved for stainless steel fire doors
  • Built in accordance with the requirements specified by Underwriters Laboratories Inc.

FM Approved

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

The Alpine Smoke Fire-Tite® roll down fire doors and insulated smoke shutters have all the features of the Fire-Tite® with the addition of an “S” rating for smoke leakage. The Smoke Fire-Tite® insulated fire shutters utilize a vinyl smoke seal on the bottom bar, brush seals on the guides and lintel to stop the movement of smoke through the door.This prevents property damage and health risks.

Smoke Fire-Tite® curtains are constructed of galvanized steel in 2 3/4″ flat, slats, and can be finished with powder coating or baked enamel finishes. All secure overhead doors are 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 door 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.

Insulated Fire Doors, Fire Safe Rolling Door, Insulated Fire-Rated Door

IMB Curtain Detail