The Ontario Building Code | Bottom Wall Plates
9.23.11.2. Bottom wall Plates
(1) A bottom wall plate shall be provided in all cases.
(2) The bottom plate in exterior walls shall not project more than one-third the plate width over the support.
In Plain Language
Bottom wall plates must meet the specific requirements set out in this article, addressing this member's connection to the floor structure below.
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.