The Ontario Building Code | Signs within Exit Facilities
3.4.5.2. Signs within Exit Facilities
(1) In a building more than 2 storeys in building height, any part of an exit ramp or stair that continues up or down past the lowest exit level shall be clearly marked by a sign indicating that it does not lead to an exit.
(2) An exit stair serving a building more than 6 storeysin building height shall be clearly marked by signs indicating that it does not lead to an exit at the roof level.
3.4.6. Types of Exit Facilities
In Plain Language
In buildings more than 2 storeys tall, any part of an exit stair or ramp that continues past the ground-floor exit level must be clearly marked as not leading to an exit, and stairs serving buildings over 6 storeys need floor-level identification signs.
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.