Code Library › Volume 1 › Section 9.10 — Fire Protection
PART 9 — HOUSING AND SMALL BUILDINGSUpdated for the 2024 Ontario Building Code

9.10.6.2.Heavy Timber Construction

(1) Heavy timber construction shall be considered to have a 45 min fire-resistance rating when it is constructed in accordance with the requirements for heavy timber construction in Article 3.1.4.7.
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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.