Code Library › Volume 1 › Section 9.27 — Cladding
PART 9 — HOUSING AND SMALL BUILDINGSUpdated for the 2024 Ontario Building Code

9.27.2.2.Minimum Protection from Precipitation Ingress

(1) Reserved. (2) Reserved. (3) Reserved. (4) Exterior walls exposed to precipitation shall be protected against precipitation ingress by an exterior cladding assembly consisting of a first plane of protection and a second plane of protection, where such walls enclose spaces of residential occupancy or spaces that directly serve spaces of residential occupancy. (See Note A-9.27.2.2.(4)) (5) Reserved. (6) Reserved.
← Previous9.27.2.1. Minimizing and Preventing Ingress and DamageNext →9.27.2.3. First and Second Planes of Protection

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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.