Commercial Building Envelope Air Tightness Testing
Current understanding
To be populated as evidence accumulates.
Evidence log
- 2026-08-27 — 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: A House bill (tie-barred to HB 6304’26) would amend 1972 PA 230 by adding Sec. 4j to prohibit the state construction code from requiring air-tightness testing of a commercial building’s envelope; introduced and at committee stage. (novelty: 2)
Open questions
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Contributing findings
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
27-aug-2026
novelty 2
per-area 2
introduces