Code Library › Volume 1 › Section 3.2 — Building Fire Safety
PART 3 — FIRE PROTECTION, OCCUPANT SAFETY AND ACCESSIBILITYUpdated for the 2024 Ontario Building Code

3.2.2.16.Heavy Timber Roof Permitted

r1 (1) Unless otherwise permitted by Articles 3.2.2.20. to 3.2.2.93., a roof assembly in a building up to 2 storeys in building height is permitted to be of heavy timber construction regardless of building area or type of construction required, provided the building is sprinklered throughout. (2) If Sentence (1) permits a roof assembly to be of heavy timber construction, structural members in the storey immediately below the roof assembly are permitted to be of heavy timber construction.
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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.