Notice: This site currently shows the 2012/2017 edition of the Ontario Building Code. The current legally effective code is the 2024 edition (O.Reg. 163/24), in effect since January 1, 2025. Confirm current requirements at ontario.ca.
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The Ontario Building Code | Corbelling

9.15.4.8. Corbelling

(1) Corbelling of masonry foundation walls supporting cavity walls shall conform to Article 9.20.12.2.

In Plain Language

Corbelling, stepping masonry outward course by course, has specific requirements set out in this article when used on a foundation wall.

This is a plain-language summary of the 2012/2017 Ontario Building Code text above, for general understanding only and not a substitute for the Code. Always confirm current requirements against the 2024 edition (O.Reg. 163/24) or a qualified professional before construction.