The Ontario Building Code | General
9.5.2.1. General
(1) Except as provided in Sentence (2) and Article 3.8.1.1., every building shall be designed in conformance with Section 3.8.
(2) The requirements of Section 3.8. need not be provided for houses, including semi-detached houses, duplexes, triplexes, town houses, row houses and boarding or rooming houses with fewer than eight boarders or roomers.
Note: On July 1, 2017, Sentence 9.5.2.1.(2) of Division B of the Regulation is revoked and the following substituted: (See: O. Reg. 139/17, s. 72)
(2) The requirements of Section 3.8. need not be provided for houses, triplexes and boarding or rooming houses with fewer than eight boarders or roomers.
In Plain Language
This article sets the general requirements for room construction covered in this Subsection, forming the baseline the more specific following articles build on.
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.