The Ontario Building Code | Flashing Joints
9.20.13.7. Flashing Joints
(1) Joints in flashing shall be made watertight.
In Plain Language
Joints in flashing must be constructed as set out in this article, ensuring water can't slip through gaps where sections of flashing meet.
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.