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

3.1.13.3.Bathrooms in Residential Suites

(1) The flame-spread rating of interior wall and ceiling finishes for a bathroom within a suite of residential occupancy shall be not more than 200. (2) Plumbing fixtures shall have a flame-spread rating not more than 200.
← Previous3.1.13.2. Flame-Spread RatingNext →3.1.13.4. Light Diffusers and Lenses

Common questions about this part of the code

Which buildings fall under Part 3 of the Ontario Building Code?How is major occupancy classified under the Ontario Building Code?How are building height and building area determined under the Ontario Building Code?What is a high building under the Ontario Building Code?

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.