Code Library › Volume 1 › Section 9.17 — Columns
PART 9 — HOUSING AND SMALL BUILDINGSUpdated for the 2024 Ontario Building Code

9.17.2.2.Lateral Support

(1) Columns shall be securely fastened to the supported member to reduce the likelihood of lateral differential movement between the column and the supported member. (See also Article 9.23.6.2.) (2) Except as permitted by Sentence (3), columns shall be laterally supported to resist racking (a) directly, or (b) by connection to the supported members. (See Note A-9.17.2.2.(2)) (3) Columns need not be provided with lateral support as described in Sentence (2), where (a) the length of the columns are not more than 600 mm measured from the finished ground to the underside of the supported member, and (b) the columns support a deck with no superstructure.
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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.