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THRU STUD w/S.R. & SIDING THRU WALL w/ S.R. & SIDING <br /> Int. air 0.68 Int. air 0.68 <br /> 1/2" Sheetrock 0.45 1/2" Sheetrock 0.45 <br /> Stud 6.88 Insulation 19 <br /> 1/2" Plywood 0.63 1/2" Plywood 0.63 <br /> Siding 0.51 Siding 0.51 <br /> Exterior Air 0.17 Exterior Air 0.17 <br /> �at�i "R" = 9.32 Toial "R" = 2�.�4 <br /> 1/R = "U" = 0.107 1/R = "U" = 0.047 <br /> THRU FLOOR FRAMING THRU FLOOR INSULATION <br /> Int. air 0.68 Int. air 0.68 <br /> 3/4" plywood 0.94 3/4" plywood 0.94 <br /> 11 1/2" wood 14.38 Insulation 38 <br /> 1/2" Plywood 0.63 1/2" Plywood 0.63 <br /> Exterior Air 0.17 Exterior Air 0.17 <br /> Total "R" = 16.8 Total "R" = 40.420 <br /> 1/R = "U" = 0.060 1/R = "U" = 0.025 <br /> THRU CEILING MEMBER THRU CEILING INSULATION <br /> Int. air 0.61 Int. air 0.61 <br /> Sheetrock 0.56 Sheetrock 0.56 <br /> Ceiling member 1/2" web 2.05 Insulation 38 <br /> Insulation 30 Still air 0.61 <br /> Still air 0.61 Total "R" = 39.78 <br /> Total "R" = 33.83 1/R = "U" = 0.025 <br /> 1/R = "U" = 0.030 <br /> THRU RIM JOIST THRU CONCRETE BLOCK <br /> Int. air 0.68 Int. air 0.68 <br /> Insulation 19 Insulation 11 <br /> 1 1/2"wood 1.89 Concrete block 1.68 <br /> 1/2" Plywood 0.63 Exterior air 0.17 <br /> Siding 0.51 Total "R" = 13.53 <br /> Exterior Air 0.17 1/R = "U" = 0.074 <br /> Total "R" = 22.88 <br /> 1/R = "U" = 0.044 <br />