The Ontario Building Code | Door Latch
9.10.13.9. Door Latch
(1) Every swing type door in a fire separation shall be equipped with a latch.
In Plain Language
Doors serving as closures must have a latch meeting the requirements set out in this article, ensuring the door stays closed and sealed when not in active use.
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.