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

9.10.9.10.Collapse of Combustible Construction

(1) Combustible construction that abuts on or is supported by a noncombustible fire separation shall be constructed so that its collapse under fire conditions will not cause collapse of the fire separation.
← Previous9.10.9.9. Penetrations by Raceways, Sprinklers and Fire DaNext →9.10.9.11. Reduction in Thickness of Fire Separation by Bea

Common questions about this part of the code

What fire separation does a basement apartment need in Ontario?Where are smoke alarms required in a house in Ontario?When are carbon monoxide alarms required in Ontario homes?What separation is required between an attached garage and the house in Ontario?

Understand this provision in seconds

BUILDAiD Assist explains any article of the building code in plain English — with exact citations, exceptions and related requirements.

Try BUILDAiD Beta

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.