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• • �" <br /> • CONSTRUCTION R VALUE <br /> CEILING SECTION (INSULATED) : <br /> .r"' 1 Interior air film 0.61 <br /> 2 rK GyP t36ea n .SL <br /> 3 ms. S`/ o <br /> 0 <br /> 0 4 Exterior air film (still) 0.61 <br /> TOTAL R = Sts 76 <br /> 'RAI "AVIA <br /> U = 1/R = D�1 <br /> 0 �/! O ___(§) © CEILING FRAMING SECTION: <br /> 1 Interior air film 0.61 <br /> 2 •?P e"YD RnARt ...5(p <br /> AIR VENTED 3 " _7-tic_ 15:910) <br /> 4 Interior air film (still) 0.6i <br /> FLOW 5 3 A. inches soft wood 4.33- <br /> V TOTAL R = 4[/,/i <br /> U = 1/R = . 0.44-t <br /> CEILING SECTION (INSULATED) : <br /> t46111., 1` Interior air film 0.61 <br /> t /l 3 <br /> 4 Exterior air film (still) 0.61 <br /> TOTAL R = <br /> = a <br /> • <br /> !eAt!kIWl ` U 1/R <br /> 0 0 v 0 0 CEILING FRAMING SECTION: <br /> 1' Interior air film 0.61 <br /> VENTED 2 <br /> 3 <br /> 4 Exterior air film (still) 0.61 <br /> 5 inches soft wood <br /> TOTAL R - <br /> U = 1/R = <br /> •'t`' " 0 1 Inside air film 0.61 <br /> lir3 <br /> 4 <br /> A <br /> O © 5 Outside air film 0. 17 <br /> TOTAL R = <br /> U = 1/R = <br />