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
- Also called
- Integrity of Exits
- For
- designer
- Building types
- All building types
- Pages
- 3
Overview
Markham's Builder Tip No. 68, dated January 1, 2025 and updated to the 2024 OBC, filed with the City's non-housing tips under the 2024 Ontario Building Code. It quotes Article 3.4.4.4., Integrity of Exits, on the openings an exit fire separation may have, scissors and contiguous stairs, fuel-fired appliances, exits used as plenums, and service, storage, washroom and laundry rooms opening into an exit, plus schools. Its objective restates the permitted penetrations and notes that ancillary rooms may reach an exit through a vestibule.
What it covers
- 3.4.4.4. Integrity of Exits
- Objective
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