Ontario Building — Code 2024

: New requirements have been introduced for HVAC systems in residential and Part 9 buildings.

Understanding the transition timeline is critical for ongoing and upcoming projects:

: Standardizing rules makes it easier for construction professionals to work across provincial borders. ontario building code 2024

: There is an increased emphasis on wood construction to facilitate faster housing development.

For decades, Ontario operated on an independent development cycle for its building regulations. This often created discrepancies between provincial rules and national standards, increasing compliance costs for builders operating across provincial borders. : New requirements have been introduced for HVAC

Revised metrics for insulation (R-values) in walls, roofs, and foundations to minimize thermal bridging.

Construction is an act of trust. Following the OBC 2024 is how we honour that trust. For decades, Ontario operated on an independent development

The update focuses on reducing regulatory burdens and streamlining construction by eliminating over between provincial and national requirements. Key goals include:

The technical changes span across all divisions of the code, with heavy emphasis on safety, housing density, and material innovation. 1. Mass Timber and Tall Wood Construction

For ease of access, these elements are integrated into the 2024 Building Code Compendium , which distributes provisions across two comprehensive volumes. Volume 1 encompasses the Building Code Act, Division A (Compliance, Objectives, and Functional Statements), Division B (Acceptable Solutions), and Division C (Administrative Provisions). Volume 2 provides critical analytical and implementation tools, including Appendix Notes, Supplementary Standards, and compliance forms. The Timeline and Transition Period

: The inclusion of mass timber updates acts as a structural incentive to lower the embodied carbon of large-scale developments. 📋 Checklist for Transitioning to OBC 2024