The Ontario Building Code | Solid Masonry Units
9.20.4.2. Solid masonry Units
(1) Except for head joints left open for weep holes and ventilation, solid masonry units shall be laid with full head and bed joints.
In Plain Language
Solid masonry units have specific requirements set out in this article, distinguishing them from hollow units for the purposes of wall design.
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.