Code Library › Volume 1 › Section 9.27 — Cladding
PART 9 — HOUSING AND SMALL BUILDINGSUpdated for the 2024 Ontario Building Code

9.27.7.6.Exposure and Thickness

(1) The exposure and butt thickness of shingles and shakes shall conform to Table 9.27.7.6. Table 9.27.7.6. Exposure and Thickness of Wood Shingles and Shakes Forming Part of Sentence 9.27.7.6.(1) Maximum Exposure, mm Shake or Shingle Length, mm Minimum Butt Thickness, mm Single Coursing Double Coursing 400 190 305 10 450 216 356 11 600 292 406 13

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.