Mich. Admin. Code R. 408.31063a
Current through Vol. 24-18, October 15, 2024
Rule 1063a Section R402.2.12 of the code is amended to read as follows.
R402.2.12. Thermally isolated sunroom insulation. The minimum ceiling insulation R-values shall be R-24 in zones 5 to 7. The minimum wall R-value shall be R-13 in all zones. New wall or walls separating a sunroom from conditioned space shall meet the building thermal envelope requirements.
Mich. Admin. Code R. 408.31063a