Commissioner of labor and industry required to adopt rules about unvented attics and enclosed rafter assemblies.
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Summary
The bill directs Minnesota’s commissioner of labor and industry to adopt regulations that treat unvented attics and enclosed rafter assemblies as insulated and air‑sealed with R‑30 (U‑factor ≤0.038) insulation, meeting the residential energy code when HVAC equipment is located inside the attic. It would apply to new construction and remodels that use these building methods. The aim is to improve energy efficiency and create consistent building standards.
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