Code Library › Volume 1 › Section 9.10 — Fire Protection
PART 9 — HOUSING AND SMALL BUILDINGSUpdated for the 2024 Ontario Building Code

9.10.13.1.Closures

(1) Except as provided in Article 9.10.13.2., openings in required fire separations shall be protected with a closure conforming to Table 9.10.13.1. and shall be installed in conformance with NFPA 80, “Standard for Fire Doors and Other Opening Protectives,” unless otherwise specified in this Part. (See also Article 9.10.3.1.) Table 9.10.13.1. Fire-Protection Ratings for Closures Forming Part of Sentence 9.10.13.1.(1) Required Fire-Resistance Rating of Fire Separation Required Fire-Protection Rating of Closure 30 or 45 min 20 min(1) 1h 45 min(1) 1.5 h 1h 2h 1.5 h 3h 2h 4h 3h Notes to Table 9.10.13.1.: (1) See Article 9.10.13.2.

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.