The Ontario Building Code | Annular Grooved Nails
9.23.14.6. Annular Grooved Nails
(1) When resilient flooring="http://thehandyforce.com/flooring/" title ="Handyman flooring install Toronto">flooring is applied directly to an OSB, waferboard, particleboard or plywood subfloor, the subfloor shall be fastened to the supports with annular grooved nails.
In Plain Language
Annular grooved nails, a fastener type with better holding power, are required for subfloor attachment under the conditions 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.