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 | Floors-on-Ground

9.14.1.3. floors-on-Ground

(1) drainage requirements beneath floors-on-ground shall conform to Section 9.16.

9.14.2. foundation Drainage

In Plain Language

Floors-on-ground have specific drainage-related requirements set out in this article, working alongside the dampproofing rules to manage ground moisture.

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.