The Ontario Building Code | Ancillary Rooms
9.9.5.9. Ancillary Rooms
(1) Ancillary rooms such as storage rooms, washrooms, toilet rooms, laundry rooms and service rooms shall not open directly into an exit.
9.9.6. doors in a Means of Egress
In Plain Language
Ancillary rooms, meaning secondary or supporting spaces, have their own restrictions relative to the means of egress as set out in this article.
This is a plain-language summary of the 2012/2017 Ontario Building Code text above, for general understanding only and not a substitute for the Code. Always confirm current requirements against the 2024 edition (O.Reg. 163/24) or a qualified professional before construction.