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 | Combustible Skylights

9.10.17.9. Combustible Skylights

(1) Individualcombustible skylights in corridors required to be separated from the remainder of the building by fire separations shall not exceed 1 m² in area and shall be spaced not less than 1.2 m apart.

In Plain Language

Combustible skylights have specific protection requirements set out in this article, addressing their fire performance as part of a roof or ceiling assembly.

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.