MarkhamBuilding InspectionsInspections
Vinyl Cladding of Walls Less Than 2 Feet to the Property Line
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
- Guide
- Published by
- City of Markham
- Date
- January 1, 2025
- For
- builder
- Building types
- All building types
- Pages
- 3
- Instruments
- MMAH Supplementary Standard SB-2 · CAN/ULC-S134
Overview
Builder Tip Issue No. 40 from the City of Markham Building Standards Department, dated January 1, 2025 and filed with its 2024 Ontario Building Code housing tips, on vinyl siding within 2 feet of the property line. It quotes Article 9.10.3.1. and Sentences 9.10.15.5.(1), (1.1) and (2) on cladding under 0.6 m, including the CAN/ULC-S134 test. The Objective explains how SB-2 sets the 45 minute and header ratings and names vinyl with a flame-spread rating of 25 or less, at most 2 mm thick, over 12.7 mm exterior gypsum sheathing.
What it covers
- 9.10.3.1. Fire-Resistance and Fire-Protection Ratings
- 9.10.15.5. Construction of Exposing Building Face of Houses
- Objective
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