The Ontario Building Code | Placement of Backfill
9.12.3.1. Placement of Backfill
(1) Backfill shall be placed to avoid damaging the foundationwall, the drainage tile, drainage layer, externally applied thermal insulation, waterproofing and dampproofing of the wall.
In Plain Language
Backfill placed against a foundation must be placed as set out in this article, avoiding damage to the foundation wall and its dampproofing during the backfilling process.
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.