The Ontario Building Code | Width of Corridors
9.9.3.3. Width of corridors
(1) The width of every public corridor, corridor used by the public, and exit corridor shall be not less than 1 100 mm.
In Plain Language
Corridors leading to exits must meet a minimum width requirement set out in this article, ensuring the escape path itself doesn't become a bottleneck.
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.