MarkhamBuilding InspectionsInspections

Exterior Insulation Finish System (EIFS) for Housing

Published by City of Markham

This is the City of Markham’s document, as published on its website on 18 October 2026. The municipality may have changed it since: check the current version at the source. Legal notice

Type: Map
Published by: City of Markham
Date: January 1, 2025
Also called: Exterior Insulation Finish Systems (EIFS) Housing
For: builder
Building types: All building types
Pages: 3
Instruments: CAN/ULC-S716.1 · CAN/ULC-S716.2 · CAN/ULC-S716.3

Overview

Builder Tip Issue No. 43 from the City of Markham Building Standards Department, three pages dated January 1, 2025, updated to the 2024 Ontario Building Code and listed among its housing tips. It quotes Subsection 9.27.14. on the application, materials, design and installation of EIFS with a drainage cavity, tied to CAN/ULC-S716.1, S716.2 and S716.3, and Article 5.9.4.1. for other systems. The Objective explains Minister's Ruling, BMEC and CCMC evaluations and the inert substrates they usually name in place of OSB or plywood.

What it covers

9.27.14. Exterior Insulation Finish Systems
9.27.14.1. Application
9.27.14.2. Materials
9.27.14.3. Design and Installation
5.9.4. Exterior Insulation Finish Systems
5.9.4.1. Structural Loads, Heat Transfer, Air Leakage, Vapour Diffusion and Water Penetration
Objective

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