Code Library › Volume 1 › Section 9.15 — Footings and Foundations
PART 9 — HOUSING AND SMALL BUILDINGSUpdated for the 2024 Ontario Building Code

9.15.4.4.Foundation Walls Considered to be Laterally Supported at the Bottom

(1) Flat insulating concrete form foundation walls shall be considered to be laterally supported at the bottom where the foundation wall (a) supports backfill not more than 1.2 m in height, (b) is supported at the footing by a shear key and at the top by the ground floor framing, or (c) is dowelled to the footing with not less than (i) 15M bars spaced not more than 1.2 m o.c., or (ii) 10M bars spaced not more than 600 mm o.c.
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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.