Notice: This site currently shows the 2012/2017 edition of the Ontario Building Code. The current legally effective code is the 2024 edition (O.Reg. 163/24), in effect since January 1, 2025. Confirm current requirements at ontario.ca.

The Ontario Building Code | Priming of Steel Beams

9.23.8.2. Priming of Steel Beams

(1) exterior steel beams susceptible to corrosion shall be shop primed with rust-inhibitive paint.

In Plain Language

Steel beams must be primed as set out in this article, protecting against corrosion before the beam is enclosed within the building's structure.

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.