The Ontario Building Code | Pipe and Fittings
7.2.8.1. pipe and Fittings
(1) pipes and fittings to be used for drainage and venting ="http://thehandyforce.com/interior/bathroom-renovations/" title ="Toronto Bathroom renovation inspiration">venting of acid and corrosive wastes shall conform to,
(a) ASTM A518/A518M, "Corrosion-Resistant High-Silicon Iron Castings",
(b) ASTM C1053, "Boronsilicate glass pipe and Fittings for Drain, Waste, and vent (DWV) applications", or
(c) CAN/CSA-B181.3, "Polyolefin and Polyvinylidene Fluoride (PVDF) Laboratory drainage Systems".
7.2.9. Jointing Materials
In Plain Language
Pipe and fittings used for drainage and venting of acid and corrosive waste must meet material requirements specifically suited to resisting that chemical exposure, distinct from the standard sanitary drainage material rules.
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.