Code Library › Volume 1 › Section 9.23 — Wood Frame Construction
PART 9 — HOUSING AND SMALL BUILDINGSUpdated for the 2024 Ontario Building Code

9.23.1.1.Limitations (See Note A-9.23.1.1.)

(1) This Section applies to constructions where wall, floor and roof planes are generally comprised of lumber frames of small repetitive structural members, or engineered components, and where (a) roof and wall planes are clad, sheathed or braced on at least one side, (b) the small repetitive structural members are spaced not more than 600 mm o.c., (c) the constructions do not serve as foundations, (d) the specified live load on supported subfloors and floor framing does not exceed 2.4 kPa, and (e) the span of any structural member does not exceed 12.20 m. (See Note A-9.23.1.1.(1)) (2) Where the conditions in Sentence (1) are exceeded for wood construction, the design of the framing and fastening shall conform to Subsection 4.3.1.
Next →9.23.2.1. Strength and Rigidity

Common questions about this part of the code

What stud size and spacing does the Ontario Building Code require for walls?What are the notching and drilling limits for floor joists in Ontario?What are the wall bracing and sheathing requirements for houses in Ontario?

Understand this provision in seconds

BUILDAiD Assist explains any article of the building code in plain English — with exact citations, exceptions and related requirements.

Try BUILDAiD Beta

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.