The Ontario Building Code | Application
9.18.1.1. Application
(1) In this Section, a crawl space refers to an enclosed space between the underside of a floor assembly and the ground cover directly below, with a clearance less than 1 800 mm in height.
In Plain Language
This article sets out when the crawl space requirements in this Section apply, covering the shallow space beneath a floor system that isn't a full basement.
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.