I joist penetration fire stop
Apr 7, See General Information for Through-penetration Firestop Systems 1 hr fire- rated solid or trussed lumber joist floor-ceiling assembly shall be.
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Floor-Ceiling Assembly - The 1 hr fire-rated concrete and steel joist Floor-Ceiling assembly shall be constructed of the materials and in the manner described in.
White Paper: Basis of IRC Membrane Protection Provisions
Description:What is the reasoning behind the square-foot exception? No, the gypsum membrane covering I-joists is not required to be finished with tape and joint compound for equivalent performance to nominal 2 x 10 lumber floors. Does the 2x10 lumber exemption apply to open webbed wood floor trusses that are nominal 2-inch by inch or greater in dimension? However, individual I-joist manufacturers themselves may have such relationships. The 2 hr fire-rated wood joist floor-ceiling assembly shall be constructed of the materials and in the manner specified in Design Nos.