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

9.10.18.6.Portions of Buildings Considered as Separate Buildings

(1) Except as provided in Sentence (2), where a vertical fire separation having a fire-resistance rating of at least 1 h separates a portion of a building from the remainder of the building and there are no openings through the fire separation other than those for piping, tubing, wiring and conduit, the requirements for fire alarm and detection systems may be applied to each portion so separated as if it were a separate building. (2) The permission in Sentence (1) to consider separated portions of a building as separate buildings does not apply to service rooms and storage rooms.
← Previous9.10.18.5. Smoke Detectors in Recirculating Air Handling SyNext →9.10.18.7. Central Vacuum Systems

Common questions about this part of the code

What fire separation does a basement apartment need in Ontario?Where are smoke alarms required in a house in Ontario?When are carbon monoxide alarms required in Ontario homes?What separation is required between an attached garage and the house in Ontario?

Understand this provision in seconds

BUILDAiD Assist explains any article of the building code in plain English — with exact citations, exceptions and related requirements.

Try BUILDAiD Beta

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.