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C C> <br />I <br />FRANKLIN <br />ENGINEERING <br />MECHANICAL CONSULTING <br />Wall U-value Calculation <br />r <br />625 Fourth Avenuc <br />5ultc 202 <br />Klri land VIA 9P.O33 <br />PH 425 827-3324 <br />FAX 425 827-6252 <br />hvac 0 f rank lineng.com <br />Layer <br />Description <br />Delall <br />A -value <br />Exterior <br />Moving Air <br />0.17 <br />Sudace <br />A <br />Concrete <br />6' <br />0,78 <br />e <br />Air gap at <br />2 <br />studs <br />C <br />20 Wd, <br />A-21' <br />15.54 <br />24'oc <br />D <br />GWe <br />518" <br />0,50 <br />E <br />Interior <br />Still Alf <br />0 GO <br />Surface <br />1. Total Column <br />17.67 <br />2, U-value, Invert amount in line 1 <br />0,057 <br />Note: 2x4 wood studs spaced off concrete min. 2" to provide 5.5" depth for R-21 baits <br />