The Ontario Building Code | Application
9.29.4.1. application
(1) application of plaster wall and ceiling finishes, including installation of metal or gypsum lath, shall conform to CSA A82.30-M, "interior Furring, Lathing and gypsum Plastering".
9.29.5. gypsum Board Finish (Taped Joints)
In Plain Language
This interior finish material must be applied 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.