Code Library › Volume 1 › Section 7.2 — Materials and Equipment
PART 7 — PLUMBINGUpdated for the 2024 Ontario Building Code

7.2.6.9.Sheet Metal Leaders

(1) A sheet metal leader shall not be used except above ground outside a building.
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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.