The Ontario Building Code | Attachment of Logs
9.37.2.2. Attachment of Logs
(1) walls made of logs in a horizontal position shall have interlocking intersections that will prevent the collection of water in the joints, or the horizontal logs shall butt to a vertical corner post to which the horizontal logs shall be firmly attached.
In Plain Language
Logs must be attached to each other as set out in this article, ensuring a stable, structurally sound wall assembly.
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.