Code Library › Volume 1 › Section 9.4 — Structural Requirements
PART 9 — HOUSING AND SMALL BUILDINGSUpdated for the 2024 Ontario Building Code

9.4.2.3.Platforms Subject to Snow and Occupancy Loads

(1) Balconies, decks and other accessible exterior platforms intended for an occupancy and subject to snow loads shall be designed to carry the specified roof snow load or 1.9 kPa, whichever is greater, where the platform, or each segregated area of the platform, serves a single dwelling unit. (See Note A-9.4.2.3.(1))
← Previous9.4.2.2. Specified Snow Loads (See Note A-9.4.2.1. and 9.Next →9.4.2.4. Attics and Roof Spaces

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When can you use Part 9 span tables instead of an engineer in Ontario?What design loads apply to houses under Part 9 in Ontario?What are the basic foundation design rules for houses in Ontario?

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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.