Code Library › Volume 1 › Section 9.33 — Heating and Air-Conditioning
PART 9 — HOUSING AND SMALL BUILDINGSUpdated for the 2024 Ontario Building Code

9.33.8.3.Clearances

(1) Clearances between combustible material and bare pipes carrying steam or hot water shall conform to Table 9.33.8.3. Table 9.33.8.3. Clearance Between Steam or Hot Water Pipes and Combustible Material Forming Part of Sentence 9.33.8.3.(1) Steam or Water Temperature (T), °C Minimum Clearance, mm T ≤ 95 no clearance required 95 < T ≤ 120 15 T > 120 25

This provision includes a table — formatting is preserved from the source; refer to the official code for the authoritative layout.

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Common questions about this part of the code

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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.