¹û¶³ÊÓƵ

CRD-1WJ

The CRD-1WJ is a UL 555C classified damper for installation in wood joist construction. These assemblies are given proprietary design numbers listed in the UL Fire Resistance Directory.

Certifications:

California State Fire Marshal (Listing # 3225-0981:0101)

UL 555C (Listing # R13446)

UL Fire Resistance Directory Approved Ceiling Design Number: L501, L502, L503, L506, L507, L508, L512, L513, L514, L515, L516, L517, L519, L522, L523, L533, L537, and L545

Purchase Options:
Codes:

International Building Code (IBC)

National Fire Protection Association (NFPA 90A and 101)