Code Library › Volume 1 › Section 9.10 — Fire Protection
PART 9 — HOUSING AND SMALL BUILDINGSUpdated for the 2024 Ontario Building Code

9.10.20.1.Windows or Access Panels Required

(1) Except as provided in Sentence (3), a window or access panel providing an opening not less than 1 100 mm high and 550 mm wide and having a sill height of not more than 900 mm above the floor shall be provided on the second and third storeys of every building in at least one wall facing on a street if such storeys are not sprinklered. (2) Access panels required in Sentence (1) shall be readily openable from both inside and outside or be glazed with plain glass. (3) Access panels required in Sentence (1) need not be provided in (a) buildings containing only dwelling units where there is no dwelling unit above another dwelling unit, or b) houses with a secondary suite.
← Previous9.10.19.8. Residential Fire Warning SystemsNext →9.10.20.2. Access to Basements

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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.