In Plain Language

Floors-on-ground need dampproofing or waterproofing as set out in this article, cross-referencing the moisture protection requirements covered elsewhere in the Code.

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.