Tag Archives: Airtightness testing

Benefits of airtightness testing

Performing airtightness testing on Part 3 buildings has been limited to high-performance projects. However, there is now a trend of mandatory airtightness testing in North America. With the third version, the Toronto Green Standard (TGS) almost catches up with industry peers in Europe, Washington State, and British Columbia in requiring whole-building airtightness testing of Tier 2, 3, and 4 buildings.

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