The Ontario Building Code | Firebrick Liners
(1) Firebrick liners shall conform to ASTM C27, "Classification of Fireclay and High Alumina Refractory brick".
(2) Firebrick liners shall be laid with high temperature cement mortar conforming to CAN/cgsb-10.3, "Air Setting Refractory mortar".
In Plain Language
Firebrick liners, used where higher heat resistance is needed, must meet the requirements 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.