The Ontario Building Code | Sloped Roofs
9.10.1.2. Sloped Roofs
(1) For the purposes of this Section, roofs with slopes of 60° or more to the horizontal and that are adjacent to a room or space intended for occupancy shall be considered as a wall.
In Plain Language
Sloped roofs have specific requirements set out in this article relative to the noncombustible or heavy timber construction provisions covered in this Section.
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.