The Ontario Building Code | Installation
9.26.15.1. installation
(1) Hot applied rubberized asphalt roofing shall be installed in accordance with CAN/cgsb-37.51-M, "application for Hot Applied Rubberized asphalt for Roofing and waterproofing".
9.26.16. Polyvinyl Chloride Sheet Roofing
In Plain Language
This roofing product must be installed as set out in this article, following the specific requirements for this material.
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.