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

9.17.4.2.Materials

(1) Wood columns shall be either solid, glued-laminated or built-up. (2) Built-up columns shall consist of not less than 38 mm thick full-length members (a) bolted together with not less than 9.52 mm diam bolts spaced not more than 450 mm o.c., or (b) nailed together with not less than 76 mm nails spaced not more than 300 mm o.c. (3) Glued-laminated columns shall conform to Section 4.3.
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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.