Ontario Building Code 2024 Now

New Part 9 residential construction must now undergo blower door testing, achieving ≤ 2.5 Air Changes per Hour (ACH) at 50 Pascals. This is a major step toward Passive House standards.

The province is serious about density. The new code eliminates many of the red tape barriers for laneway houses, garden suites, and basement apartments. ontario building code 2024

The code introduces strict fire safety provisions for these structures, including encapsulation requirements and redundant fire suppression systems, addressing public safety concerns while unlocking new architectural possibilities. New Part 9 residential construction must now undergo

A core objective of the 2024 update is . The province eliminated over 1,730 technical variations between Ontario’s code and national requirements. ontario building code 2024