Not can the R-value of the roof insulation be averaged in excess of the whole roof, nevertheless the minimum thickness R value need to meet the ASHRAE benchmarks. “This has resulted in bare minimum insulation thicknesses of 5.five-inches four ft out from the drain” in climate zones like Connecticut, Costantini https://israeldebjc.bloginder.com/22532585/a-simple-key-for-roofing-for-correctional-facilities-unveiled