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 | Support of Noncombustible Construction

9.10.1.1. support of Noncombustible Construction

(1) Where an assembly is required to be of noncombustible construction and to have a fire-resistance rating, it shall be supported by noncombustible construction.

In Plain Language

This article sets out how noncombustible construction must be supported, addressing structural elements underneath a building classified as noncombustible.

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.