PART 3 — FIRE PROTECTION, OCCUPANT SAFETY AND ACCESSIBILITYUpdated for the 2024 Ontario Building Code
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3.1.5.20.Combustible Plumbing Fixtures
(1) Combustible plumbing fixtures including wall and ceiling enclosures that form part of the plumbing fixture, are
permitted in a building required to be of noncombustible construction provided they are constructed of material having a
flame-spread rating and smoke developed classification not more than that permitted for the wall surface of the
room or space in which they are installed.
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Code text is reproduced for reference from the Ontario Building Code (O. Reg. 163/24, 2024 Building Code Compendium). This page is provided for general information and is not an official copy. Always verify requirements against the official Ontario Building Code and confirm with your local building department.