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

3.1.8.10.Installation of Fire Dampers

(1) A fire damper shall be installed in the plane of the fire separation so as to stay in place should the duct become dislodged during a fire. (See Note A-3.1.8.10.(1)) (2) A fire damper shall be arranged so as to close automatically upon the operation of a fusible link conforming to ULC- S505, “Standard for Fusible Links for Fire Protection Services,” or other heat-actuated or smoke-actuated device. (3) A heat-actuated device referred to in Sentence (2) shall (a) be located where it is readily affected by an abnormal rise of temperature in the duct, and (b) have a temperature rating approximately 30°C above the maximum temperature that would exist in the system either with the system in operation or shut down. (4) A fire damper tested in the vertical or horizontal position shall be installed in the position in which it was tested. (5) A tightly fitted access door shall be installed for each fire damper to provide access for the inspection of the damper and the resetting of the release device. (See Note A-3.1.8.10.(5))
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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.