PART 9 — HOUSING AND SMALL BUILDINGSUpdated for the 2024 Ontario Building Code
Try BUILDAiD Beta
9.23.3.1.Standards for Nails and Screws
(1) Except as provided in Sentence (2) and unless otherwise indicated, nails specified in this Section shall be common
steel wire nails or common spiral nails, conforming to
(a) ASTM F1667, “Standard Specification for Driven Fasteners: Nails, Spikes and Staples,” or
(b) CSA B111, “Wire Nails, Spikes and Staples.”
(2) Nails used to comply with Table 9.23.3.4. shall have a diameter not less than that stated in Table 9.23.3.1. (See
Note A-9.23.3.1.(2))
(3) Wood screws specified in this Section shall conform to ANSI/ASME B18.6.1., “Wood Screws (Inch Series)”. (See
Note A-9.23.3.1.(3))
Table 9.23.3.1.
Diameter of Nails
Forming Part of Sentence 9.23.3.1.(2)
Minimum Length of Nails, mm Minimum Diameter of Nails, mm
57 2.87
63 3.25
76 3.66
82 3.66
101 or greater 4.88
This provision includes a table — formatting is preserved from the source; refer to the official code for the authoritative layout.
Understand this provision in seconds
BUILDAiD Assist explains any article of the building code in plain English — with exact citations, exceptions and related requirements.
Code text is reproduced for reference from the Ontario Building Code (O. Reg. 163/24, 2024 Building Code Compendium). This page is provided for general information and is not an official copy. Always verify requirements against the official Ontario Building Code and confirm with your local building department.