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The Ontario Building Code | Application

9.27.13.1. application

(1) Except as provided in Sentence (2), this Subsection applies to exterior insulation finish systems that,

(a) are covered in the scope of CAN/ulc-S716.1, "exterior Insulation and Finish Systems (EIFS) – Materials and Systems", and

(b) have a geometrically defined drainage cavity with a minimum cavity depth of 6 mm and an open area equal to not less than 13% of the area of a full-size exterior insulation finish systems panel.

(2) exterior insulation finish systems not described in Sentence (1) and their components shall comply with Article 5.10.3.1.

In Plain Language

This article sets out when the requirements for this exterior wall system apply, establishing scope for the following provisions.

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.