Code Library › Volume 1 › Section 9.29 — Interior Wall and Ceiling Finishes
PART 9 — HOUSING AND SMALL BUILDINGSUpdated for the 2024 Ontario Building Code

9.29.3.1.Size and Spacing of Furring

(1) Wood furring for the attachment of wall and ceiling finishes shall conform to Table 9.29.3.1. Table 9.29.3.1. Size and Spacing of Furring Forming Part of Sentence 9.29.3.1.(1) Minimum Size of Furring, mm Maximum Spacing of Furring, mm Maximum Spacing of Furring Supports Continuous Supports 400 mm o.c. 600 mm o.c. 300 19 × 38 19 × 38 19 × 64 400 19 × 38 19 × 38 19 × 64 600 19 × 38 19 × 64 19 × 89

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.