BreezGreenBuilder -- GBR-CRD Ceiling Radiation Damper

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  • GBR-CRD, Ceiling Radiation Damper helps to limit the radiant heat transfer through an air inlet/outlet opening in the ceiling membrane. Fire resistance is rated up to 3 hours floor/ceiling or roof/ceiling assemblies
  • UL and cUL listed and exceeds UL 555C for use in 3-hour fire rated assemblies
  • Warnock-Hersey certified for use in fire rated floor/ceiling or roof/ceiling assemblies
  • CSFM listing: 3226-0368:104
  • Meets NFPA Standards: 90A and 101
  • Meets Building Code Standards: IBC, NBC, NFPA, SBC, and UBC
  • Available for Delta Breez Ventilation Fans: GBR50, GBR50L, GBR80, GBR80H, GBR80HL, GBR80HLED, GBR80L, GBR80LED, GBR80MHL, GBR80MHLED, GBR100, GBR100H, GBR100HL, GBR100HLED, GBR100L, and GBR100LED

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The damper employs a folded curtain style blade for point-of-origin control of radiant heat in a ventilation system. GBR-CRD installs horizontally in the ceiling membrane for floor/ceiling or roof/ceiling assemblies with a fire resistance rating up to and including 3 hours.

Download Spec Sheet