Code Library › Volume 1 › Section 6.3 — Ventilation Systems

PART 6 — HEATING, VENTILATING AND AIR-CONDITIONINGUpdated for the 2024 Ontario Building Code

6.3.2.5.Duct Coverings, Linings, Adhesives and Insulation (See Note A-6.3.2.5.)

(1) Coverings, linings and associated adhesives and insulation used in air ducts, plenums and other parts of air duct
    systems shall comply with Article 3.6.5.4.

    (2) Duct linings shall be installed so that they will not interfere with the operation of volume or balancing dampers or of
    fire dampers, fire stop flaps and other closures.

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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.