Wednesday, September 16, 2020

3.1.9.6. Openings through a Membrane Ceiling

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3.1.9.6. Openings through a Membrane Ceiling


1) A membrane ceiling forming part of an assembly assigned a fire-resistance rating on the basis of Appendix D is permitted to be penetrated by openings leading into ducts within the ceiling space, provided

a) the ducts are sheet steel, and

b) the number of openings and their protection conform to the requirements of Appendix D


Question:

Are recessed lighting fixtures are permitted to penetrate the membrane ceiling with fire resistance rating?


Please leave your answer by comments.

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