The Ontario Building Code | Cast Iron Fittings for Asbestos-Cement Drainage Pipe
7.2.6.2. Cast Iron Fittings for Asbestos-cement Drainage pipe
(1) Cast iron fittings designed for use with asbestos-cement pipe for drainage purposes shall conform to the applicable requirements of,
(a) CAN/CSA-B127.1, "Asbestos cement Drain, Waste and vent Fittings", or
(b) CSA B127.2-M, "Components for Use in Asbestos cement Building Sewer Systems".
In Plain Language
Cast iron fittings used to connect to asbestos-cement drainage pipe must meet specific compatibility and material requirements ensuring a sound transition between these two different pipe materials.
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.