PART 9 — HOUSING AND SMALL BUILDINGSUpdated for the 2024 Ontario Building Code
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9.24.2.1.Size and Spacing of Studs in Interior Walls
(1) Except as required in Articles 9.24.2.3. and 9.24.2.4., the size and spacing of steel studs for non-loadbearing interior
walls shall conform to Table 9.24.2.1.
Table 9.24.2.1.
Steel Studs for Non-Loadbearing Interior Walls(1)
Forming Part of Sentence 9.24.2.1.(1)
Minimum Stud Size, mm Maximum Stud Spacing, mm Maximum Wall Height, m
400 3.0
32 × 41
600 2.7
300 4.4
32 × 64 400 4.0
600 3.5
300 5.2
32 × 89 400 4.6
600 3.9
300 6.6
32 x 152 400 5.8
600 4.9
Notes to Table 9.24.2.1.:
(1) The values in the Table are based on a single layer of 12.7 mm gypsum panel sheathing installed on each side of the studs. Where
one side is not accessible, gypsum panels on only one side will suffice. The values are also based on attaching gypsum panel
sheathing using screws not smaller than No. 6 spaced at a maximum of 300 mm at edges and at intermediate supports.
This provision includes a table — formatting is preserved from the source; refer to the official code for the authoritative layout.
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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.