The Ontario Building Code | Cladding, Sheathing and Interior Finish Required
9.24.1.5. Cladding, Sheathing and interior Finish Required
(1) Cladding or sheathing, and interior finish shall be installed on steel stud framing and shall be fastened with screws,
(a) spaced at the appropriate spacing described in Section 9.29., and
(b) penetrating not less than 10 mm through the metal.
9.24.2. Size of Framing
In Plain Language
Cladding, sheathing, and interior finish are required over steel stud framing, as set out in this article, ensuring the structural frame is properly enclosed.
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.