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 insulationhttp://thehandyforce.com/insulation/" title ="Toronto home insulation">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.