The Ontario Building Code | Floor Flanges
7.2.10.1. floor Flanges
(1) Brass floor flanges shall be certified to CSA B158.1, "Cast Brass Solder Joint drainage, Waste and vent Fittings".
(2) ABS floor flanges shall be certified to CAN/CSA-B181.1, "Acrylonitrile-Butadiene-Styrene (ABS) Drain, Waste, and vent pipe and pipe Fittings".
(3) pvc floor flanges shall be certified to CAN/CSA-B181.2, "Polyvinylchloride (pvc) and Chlorinated Polyvinylchloride (Cpvc) Drain, Waste, and vent pipe and pipe Fittings".
(4) Cast iron, copper and aluminum floor flanges shall be suitable for the purpose.
In Plain Language
Brass floor flanges must be certified to the referenced CSA cast brass solder-joint fitting standard, and ABS floor flanges must be certified to the corresponding plastic material standard.
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.