The Ontario Building Code | Levelling of Sill Plates Levelling of Sill Plates

(1) Sill plates shall be,

(a) levelled by setting them on a full bed of mortar, or

(b) laid directly on the foundation where the top of the foundationis level.

(2) The joint between the sill plate for exterior walls and the foundationshall be sealed in accordance with Subsection 9.25.3.

9.23.8. Beams to support Floors