Code Library › Volume 1 › Section 3.1 — General
PART 3 — FIRE PROTECTION, OCCUPANT SAFETY AND ACCESSIBILITYUpdated for the 2024 Ontario Building Code

3.1.8.19.Temperature Rise and Area Limits Waived

(1) The temperature rise limits and glass area limits required by Articles 3.1.8.17. and 3.1.8.18. are waived for a closure between an exit enclosure and an enclosed vestibule or corridor, provided (a) the vestibule or corridor is separated from the remainder of the floor area by a fire separation having a fire- resistance rating not less than 45 min, (b) the fire separation required by Clause (a) contains no wired glass, glass block or safety glazing within 3 m of the closure into the exit enclosure, and (c) the vestibule or corridor contains no occupancy. (See Note A-3.1.8.19.(1))
← Previous3.1.8.18. Area Limits for Wired Glass, Glass Block and SafNext →3.1.8.20. Sprinkler Protected Glazed Wall Assembly

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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.