Laserfiche WebLink
InSoFast, LLC .. <br /> Finally, An Easy Way to Finish Concrete Surfaces <br /> R-Value Calculation for Traditional 3-1/2" Wood& R-13 Fiberglass Wall Assembly <br /> R-Value R-Value Assembly Typically Installed <br /> Component Studs Cavity R-Value Fiberglass-Less <br /> 28%• <br /> Exterior Air Film 0.17 0.17 0.17 <br /> Concrete Block 1.28 1.28 1.28 <br /> 3-1/2" Fiberglass Batt --- 13.00 9.36 <br /> 3-1/2"Stud 4.38 <br /> %"Drywall 0.45 0.45 0.45 <br /> Interior Air Film 0.68 0.68 0.68 <br /> Percent for 16"D.C. plus Studs 15% 85% 85% <br /> Total Wall Component R-Values 6.96 15.58 11.94 <br /> C Wall Component u-Values 0.176 0.064 0.084 <br /> the <br /> Total Wall Assembly R-Value 12.38 10.22 <br /> 'Fiberglass Batts-Labeled vs.Installed Performance <br /> Oak Ridge National Laboratory research shows that"perfectly installed"batts lose 11%of their labeled R-Value,and that <br /> "commonly installed"fiberglass bats lose 28%of their labeled R-value. See attached documentation. <br /> • • <br /> InSoFost, LLC — 7255 Commerce Ci. E. -- Fridley, MN 55432 21 P, e e <br />