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CEILIIIG, SECTION (IIISULATEn) : <br /> I Interior air film <br /> 2 _�2" G`!P. eD 0.45 <br /> 3 _2 LAKF2S G" FlDey4L, INIUL. -A" <br /> 3 4 4 Exterior air film (still ) n,61 <br /> TOTAL R = 39.G7 <br /> U 1/R = 0,025 • <br /> CEILING FRAMING SECTION: <br /> I 2 5 1 Interior air film 0.61 <br /> 2 <br /> AIR VENTED 3 <br /> FLOW 4 Interior air file still ] <br /> 5 9 " inches soft wood I I :55 <br /> TOTAL R == X2.'77. <br /> U = 1/it -- 0,08 <br /> CEILING SECTIOU (INSULATED) : <br /> Tom;.ri 1' Interior air film n.61 <br /> 3 <br /> 4 Fxterior •air film still O.. 1 <br /> TOTAL R = <br /> U 1/11 <br /> 2 3 4 5 CEILING FRAMING, SECTION: <br /> 1• Interior air film 4.61 <br /> VENTED 2 <br /> 3 <br /> 4 Exterior air film still <br /> 5 inches soft wood <br /> TOTAL R = <br /> U = 1/R - <br /> 3 4 5 <br /> : s .% -�'-`>t='%`� f� 1 Inside air film 0.61 <br /> Outside air fila x. 17 <br /> �/h I ? TOTAL R = <br /> 11 - 1/R = <br />