The Ontario Building Code | Fire-Resistance and Fire-Protection Ratings

9.10.3.1. Fire-Resistance and Fire-Protection Ratings

(1) Where a fire-resistance rating or a fire-protection rating is required in this Section for an element of a building, such rating shall be determined in conformance with the test methods described in Part 3, or in accordance with MMAH Supplementary Standard SB-2, "Fire Performance Ratings", or MMAH Supplementary Standard SB-3, "Fire and Sound Resistance of Building Assemblies".