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� <br />FRANKLIN <br />ENGINEERING <br />MECI-I�MC;FlL GON�UI "r]NG <br />Wall U-value Calculation <br />625 Fourth Avenue <br />5uite 202 <br />Kir�kland 1NP� 9c303�� <br />I�H q �5 �27-3324 <br />FA� 425 827-62��2 <br />hvacCvfr�nklineng.coim <br />Layer Description Detail <br />Exterior <br />Surface Moving Air <br />A Concrete 6" <br />B Air gap 1/2" <br />C 2x4, 24"oc R-15 <br />},.�;-'' D GWB 5/8" <br />A F��� <br />t+�2f f{d <br />� =``=, E <br />interior Still Air <br />Surface <br />1. Total Column <br />2. U-value, invert amount in line 1 <br />R-value <br />0.17 <br />0.72 <br />0.90 <br />10.85 <br />0.50 <br />0.68 <br />13.82 <br />0.072 <br />