The Ontario Building Code | Roof Drains
9.26.18.1. Roof Drains
(1) When roof drains are provided they shall conform to Part 7.
In Plain Language
Roof drains, used on flat or low-slope roofs to remove water, 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.