Code Library › Volume 1 › Section 9.23 — Wood Frame Construction
PART 9 — HOUSING AND SMALL BUILDINGSUpdated for the 2024 Ontario Building Code

9.23.13.1.Requirements for Low to Moderate Wind and Seismic Forces

(See Note A-9.23.13.1.) (1) This Article applies in locations where the seismic spectral acceleration, Sa(0.2), is not more than 0.70 and the 1-in- 50 hourly wind pressure is less than 0.80 kPa. (2) Bracing to resist lateral loads shall be designed and constructed as follows: (a) exterior walls shall be (i) clad with panel-type cladding in accordance with Section 9.27., (ii) sheathed with plywood, OSB, waferboard, fibreboard, gypsum board or diagonal lumber sheathing complying with Subsection 9.23.17. and fastened in accordance with Table 9.23.3.5.-A, or (iii) finished on the interior with a panel-type material in accordance with the requirements of Section 9.29., or (b) in accordance with (i) Articles 9.23.13.4. to 9.23.13.7., (ii) Part 4, or (iii) good engineering practice such as that provided in CWC 2014, “Engineering Guide for Wood Frame Construction.”

This provision includes a table — formatting is preserved from the source; refer to the official code for the authoritative layout.

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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.