Construction: code; code requirement to use air tightness testing to test a commercial building's building envelope; prohibit. Amends 1972 PA 230 (MCL 125.1501 - 125.1531) by adding sec. 4j. TIE BAR WITH: HB 6304'26

Summary

The bill amends Michigan’s building code by adding a new section that mandates air‑tightness testing for the envelopes of commercial buildings. It also includes a prohibition connected to that testing requirement. The measure would impact owners, developers, contractors, and testing professionals involved in commercial construction.

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