The Ontario Building Code | Mixing
9.28.5.3. Mixing
(1) Materials shall be thoroughly mixed before and after water is added.
(2) stucco shall be applied not later than 3 h after the initial mixing.
9.28.6. stucco Application
In Plain Language
Stucco must be mixed as set out in this article, ensuring consistent quality and performance in the finished product.
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.