Insulation must now be installed over the full height of foundation walls for basements and heated crawlspaces, removing the previous 200mm gap allowance. Major Building and Structural Updates (Part 3 & 4) The 2024 Ontario Building Code
Navigating the 2024 OBC requires a proactive compliance strategy. Submitting a building permit application that relies on outdated 2012 code values will result in immediate rejection, causing costly project delays. ontario building code 2024
You could use either the old 2012 OBC or the new 2024 OBC, provided your drawings were substantially complete before the new year. Insulation must now be installed over the full
The 2024 Building Code Compendium (two-volume set) is available in both digital and print versions through Publications Ontario. The most recent version as of publication is January 16, 2025. Professionals can subscribe to , the ministry's email subscription service, for up-to-date information on code changes and compendium updates. You could use either the old 2012 OBC
The represents a generational shift towards safer, greener, and more inclusive buildings. While the upfront costs and learning curve are real, the consequences of ignorance are far greater: stop-work orders, fines, liability lawsuits (especially for falls on non-compliant stairs), and an inability to sell a home without retrofit orders.