Code Library › Volume 1 › Section 3.1 — General
PART 3 — FIRE PROTECTION, OCCUPANT SAFETY AND ACCESSIBILITYUpdated for the 2024 Ontario Building Code

3.1.6.5.Determination of Encapsulation Ratings

(1) Except as provided in Article 3.1.6.6., the rating of a material or assembly of materials that is required to have an encapsulation rating shall be determined on the basis of the results of the tests conducted in conformance with CAN/ULC- S146, “Standard Method of Test for the Evaluation of Encapsulation Materials and Assemblies of Materials for the Protection of Structural Timber Elements.”
← Previous3.1.6.4. Encapsulation of Mass Timber Elements (See Note Next →3.1.6.6. Encapsulation Materials (See Note A-3.1.6.6.)

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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.