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BreezGreenBuilder -- GBR-CRD2 Ceiling Radiation Damper
Home / Products / GreenBuilder / GBR-CRD2
- The BreezGreenBuilder GBR-CRD2 - Ceiling Radiation Damper helps to limit the radiant heat transfer through an air inlet/outlet opening in the ceiling membrane
- GBR-CRD2 Ceiling Radiation Damper is UL and cUL listed, and exceeds UL 555C for use in 3-hour fire rated assemblies
- CSFM listing: 3226-1650:0106
- UL 555C listing: R16833
- Meets NFPA Standards: 90A and 101
- Meets Building Code Standards: IBC, NBC, NFPA, SBC, and UBC
- Installation is valid for the following UL rated wood truss ceilings:
- Floor-Ceiling = L587 (Owned) Also found in the following floor-ceiling designs: L528, L558, L562, L563, L574, and L585
- Roof Ceiling = P556 (Owned) Also found in the following roof-ceiling designs: P533, P544, P545, P547, and P580
- Intended for installation with the following UL Listed Delta Electronic Fan Models GBR80, GBR80H, GBR80HLED, GBR80LED, GBR100, GBR100H, GBR100LED, ELT80-110, ELT80-110D, ELT80-110H, ELT80-110MH, ELT80-110LED, ELT80-110DLED, ELT80-110HLED, and ELT80-110MHLED
The damper employs a folded curtain style blade for point-of-origin control of radiant heat in a ventilation system. GBR-CRD2 installs horizontally in the ceiling membrane for floor/ceiling or roof/ceiling assemblies with a fire resistance rating up to and including 3 hours.