The Ontario Building Code | Lumber Subflooring
9.23.14.7. Lumber Subflooring="http://thehandyforce.com/flooring/" title ="Handyman flooring install Toronto">flooring
(1) Lumber subflooring="http://thehandyforce.com/flooring/" title ="Handyman flooring install Toronto">flooring shall be laid at an angle of not less than 45° to the joists.
(2) Lumber subflooring="http://thehandyforce.com/flooring/" title ="Handyman flooring install Toronto">flooring shall be fully supported at the ends on solid bearing.
(3) Lumber for subflooring="http://thehandyforce.com/flooring/" title ="Handyman flooring install Toronto">flooring shall be of uniform thickness and not more than 184 mm wide.
9.23.15. Roof Sheathing
In Plain Language
Lumber subflooring, an alternative to panel-type subflooring, 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.