What Is The R-value Of 10 Inch Batt Insulation?
What Is The R-value Of 10 Inch Batt Insulation? R-value of Materials and Depths Material R-value/in 10′′ Fiberglass (batt) 3.1 – 3.431.0 – 34.0 Fiberglass blown (attic) 2.2 – 4.3 22.0 – 43.0 Fiberglass blown (wall) 3.7 – 4.3 37.0 – 43.0 What is R-value of batt insulation? Standard batts have an R-value of R-2.9