The Ontario Building Code | Design Basis for Wood
4.3.1.1. design Basis for wood
(1) buildings and their structural members made of wood shall conform to CSA O86, "Engineering design in wood".
In Plain Language
Buildings and their wood structural members must conform to CSA O86, the national engineering design standard for wood construction, forming the foundation for all wood structural design 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.