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 | Application

9.9.3.1. application

(1) This Subsection applies to every means of egress except exits that serve not more than one dwelling unit and access to exits within dwelling units.

Note: On July 1, 2017, Sentence 9.9.3.1.(1) of Division B of the Regulation is revoked and the following substituted: (See: O. Reg. 139/17, s. 90)

(1) This Subsection applies to every means of egress except,

(a) exitsthat serve a house or an individual dwelling unit, and

(b) access to exits within a house or an individual dwelling unit.

In Plain Language

This article sets out when the exit width requirements in this Subsection apply, establishing the scope for the specific dimensional rules that follow.

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.