Code Library › Volume 1 › Section 9.20 — Masonry and Insulating Concrete Form
PART 9 — HOUSING AND SMALL BUILDINGSUpdated for the 2024 Ontario Building Code

9.20.16.1.Corrosion Resistance of Connectors

(1) Carbon steel connectors required to be corrosion-resistant shall be galvanized to at least the minimum standards in Table 9.20.16.1. Table 9.20.16.1. Minimum Requirements for Galvanizing Forming Part of Sentence 9.20.16.1.(1) Connector Material ASTM Standard Coating Class or Thickness Wire ties and continuous reinforcing (hot-dipped galvanizing) ASTM A153 / A153M Class B2 or 458 g/m² Hardware and bolts ASTM A153 / A153M See ASTM A153 / A153M Strip, plate, bars, and rolled sections (not less than 3.18 mm thick) ASTM A123 / A123M 610 g/m² Sheet (less than 3.18 mm thick) ASTM A123 / A123M 460 g/m² on material 0.76 mm thick(1) Notes to Table 9.20.16.1.: (1) ASTM A123 / A123M does not apply to metal less than 0.76 mm thick. Galvanizing coatings may be interpolated for thicknesses between 3.18 mm and 0.76 mm.

This provision includes a table — formatting is preserved from the source; refer to the official code for the authoritative layout.

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Code text is reproduced for reference from the Ontario Building Code (O. Reg. 163/24, 2024 Building Code Compendium). This page is provided for general information and is not an official copy. Always verify requirements against the official Ontario Building Code and confirm with your local building department.