Code Library › Volume 1 › Section 6.7 — Piping Systems

PART 6 — HEATING, VENTILATING AND AIR-CONDITIONINGUpdated for the 2024 Ontario Building Code

6.7.1.4.Protection

(1) Where a pipe carrying steam or hot water at a temperature above 120°C passes through a combustible floor, ceiling
  or wall, the construction shall be protected by a sleeve of metal or other noncombustible material not less than 50 mm
  larger in diameter than the pipe.

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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.