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( :l <br />FRANKLIN <br />MECHANICAL CONSULTING <br />Roof U-value Calculation <br />625 Fourth Avenue <br />5wtc 202 <br />Kirkland WA 98033 <br />PH 425 827-3324 <br />FAX 425 827-6252 <br />hvac 0 f rank I i neng.c om <br />Layer <br />Description <br />Detail <br />R value <br />Exterior <br />Surface <br />Still Air <br />061 <br />A <br />Mil frame, <br />24'oc <br />R30 <br />1 i 40 <br />B <br />GWB <br />50" <br />0.50 <br />C. <br />G <br />E <br />Interior <br />Surface <br />Still Air <br />0.61 <br />1. Total Column <br />13.12 <br />2. U-value, Invert amount in line 1 <br />0 076 <br />