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

9.15.3.2.Support of Footings

(1) Footings shall rest on undisturbed soil, rock or compacted granular fill. (2) Granular fill shall not contain pyritic material in a concentration that would adversely affect its stability or the performance of assemblies separating dissimilar environments. (See also Article 9.4.4.4. and Note A-9.4.4.4.(1))
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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.