: Harmonized alarm requirements for care occupancies and certain commercial spaces. Accessibility
To combat climate change and lower operational costs for building owners, the 2024 OBC steps up performance metrics for energy consumption: ontario building code 2024
Eliminate unique provincial variations that complicate material manufacturing and structural design. : Harmonized alarm requirements for care occupancies and
New requirements for air barrier continuity and airtightness testing are introduced or strengthened. Furthermore, the code mandates better coordination between building envelopes and mechanical systems, ensuring that high-efficiency HVAC (Heating, Ventilation, and Air Conditioning) systems are installed in buildings that are actually capable of retaining that energy. The new code consists of the National Building
Historically, Ontario maintained a completely standalone building code document. The 2024 edition utilizes a . The new code consists of the National Building Code of Canada as the base document, paired with an Ontario Amendment Regulation that details province-specific modifications. Why the Shift?
| | Permit Submission Requirements | |---|---| | May 22 – December 31, 2024 | All projects submitted must conform to the 2012 OBC. | | January 1, 2025 – March 31, 2025 | Projects may use either the 2012 OBC (with proof of complete drawings before Jan 1, 2025) or the new 2024 OBC. | | April 1, 2025 Onward | All new building permit applications must be reviewed and comply with the 2024 OBC. |