The Ontario Building Code | Wood Frame Floors
(1) floors-on-ground constructed of wood shall conform to CAN/CSA-S406, "Construction of Preserved wood foundations".
Section 9.17. columns
9.17.1. Scope
In Plain Language
Wood frame floors, an alternative to a concrete floor-on-ground, must meet the requirements set out in this article.
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.