The Ontario Building Code | Corrosion of Steel

4.2.3.10. Corrosion of Steel

(1) Where conditions are corrosive to steel, adequate protection of exposed steel shall be provided.

4.2.4. design Requirements

In Plain Language

Where site conditions are corrosive to steel, exposed steel elements must be given adequate protection, since corrosion in a foundation element can silently compromise structural capacity over the building's lifespan.

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.