The Ontario Building Code | Material Standard
9.29.9.1. Material Standard
(1) Particleboard finish shall conform to ANSI A208.1, "Particleboard".
(2) OSB or waferboard finish shall conform to,
(a) CSA O325, "Construction Sheathing", or
(b) CSA O437.0, "OSB and waferboard".
In Plain Language
This clause sets the referenced material standards for particleboard finish (ANSI A208.1) and for OSB or waferboard finish (CSA O325 or CSA O437.0), pointing to those standards rather than restating their content.
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.