The Ontario Building Code | Cement-Mortar
7.2.9.1. mortarp://thehandyforce.com/exterior/" title ="Exterior home repairs in Toronto">cement-Mortar
(1) mortarp://thehandyforce.com/exterior/" title ="Exterior home repairs in Toronto">cement-mortar shall not be used for jointing.
In Plain Language
Cement-mortar can't be used for joints in specific plumbing applications described in this article, reflecting modern preference for more reliable mechanical or elastomeric joint methods.
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.