The Ontario Building Code | Edge Support
9.29.8.4. Edge support
(1) All fibreboard edges shall be supported by blocking, furring or framing.
9.29.9. Particleboard, OSB or waferboard Finish
In Plain Language
This interior finish needs edge support as 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.