The Ontario Building Code | Low Temperature Conditions
9.29.5.10. Low temperature Conditions
(1) In cold weather, heat shall be provided to maintain a temperature of not below 10°C for 48 h prior to taping and finishing and maintained for not less than 48 h after that.
9.29.6. Plywood Finish
In Plain Language
Installing this interior finish in low temperature conditions requires the precautions 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.