PART 9 — HOUSING AND SMALL BUILDINGSUpdated for the 2024 Ontario Building Code
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9.24.2.5.Size and Spacing of Studs in Exterior Walls
(1) The size and spacing of non-loadbearing steel studs for exterior walls shall conform to Table 9.24.2.5.
Table 9.24.2.5.
Size and Spacing of Steel Studs for Non-Loadbearing Exterior Walls
Forming Part of Sentence 9.24.2.5.(1)
Maximum Stud Length, m
Minimum Stud Size, mm Minimum Metal Thickness, mm Spacing of Studs
300 mm o.c. 400 mm o.c. 600 mm o.c.
30 × 91 0.53 3.0 2.4 —
30 × 91 0.69 3.3 2.7 2.4
30 × 91 0.85 3.6 3.0 2.7
30 × 91 1.0 4.0 3.3 3.0
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.