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The SIG-CRD2 Ceiling Radiation Damper is engineered to limit radiant heat transfer through air inlet/outlet openings in ceiling membranes. It is fire resistance-rated for up to 3 hours in both floor/ceiling and roof/ceiling assemblies.
- Certifications and Listings:
- UL Compliance: Meets UL 555C and UL 263
- Listings:
- UL & cUL Listed
- CSFM Listing: 3226-1250:0106
- UL 555C Listing: R16833
- Exceeds UL 555C standards for use in 3-hour fire-rated assemblies
- Code and Standards Compliance:
- NFPA Standards: 90A and 101
- Building Codes: IBC, NBC, NFPA, SBC, UBC
- Approved Ceiling Assemblies:
- Floor-Ceiling Assemblies
- Owned Design: L587
- Also Compatible With: L528, L558, L562, L563, L574, L585
- Roof-Ceiling Assemblies
- Owned Design: P556
- Compatible With: P533, P544, P545, P547, P580
- Exceeds UL 555C standards for use in 3-hour fire-rated assemblies
- Fan Compatibility: Designed for installation with the following UL Listed Delta Electronics fan models
- Standard Models: SIG80, SIG80D, SIG110, SIG110D
- Multi-Speed and Specialty Models: SIG80-110, SIG80-110D, SIG80-110H, SIG80-110MH
- LED Models: SIG80-110LED, SIG80-110DLED, SIG80-110HLED, SIG80-110MHLED
The damper employs a folded curtain style blade for point-of-origin control of radiant heat in a ventilation system. SIG-CRD2 installs in the ceiling membrane for floor/ceiling or roof/ceiling assemblies with a re resistance rating up to and including 3 hours.