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Curtain Type Fire Damper IBD2

Curtain Type Fire Damper IBD2

The IBD2A is a UL555 1-1/2 Hour Rated Classified Curtain Type Fire Damper. It features:

  • Meets all UL and NFPA criteria for primary fire dampers in static (fans off during alarm) HVAC systems
  • Fusible link included standard
  • Galvanized steel construction


  • Ruskin Model IBD2 1 1/2 hour UL classified static (fans off) curtain style fire damper for use in HVAC systems that shut down during a fire event. Fire dampers used for the protection of openings in walls, partitions, or masonry floors with fire resistance ratings of less than 3 hours and shall have a 1 1/2 hour fire protection rating. The IBD2 can be installed vertically in walls or horizontally in masonry floors and is rated for airflow in either direction. 

Technical specification
  • Unique ref.rd-00317-008
  • Product familyFire Dampers
  • Product groupCombination Fire/Smoke Dampers
  • TypeObject (single object)
  • Date of publishing2009-09-09
  • Edition number1
  • BIMobject CategoryFire Products - Protection

Region availability

North America
United States