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CONSTRUCTION VAl <br /> • # �w, � tjbLiYjj <br /> CEILING SECTION (I NSULAT <br /> 1 Interior air film <br /> 2 6/e EYP 5� <br /> 3 IZ„ 1=00L- 3s.o <br /> J 4 4 Exterior air film (still ) O.A1 <br /> TOTAL R - 2a.-7? <br /> U - 1/R = .D2,5 <br /> / 24CEILING FRAMING SECTION: <br /> 2 5 1 Interior air film O.fil <br /> 2 <br /> AIR VENTED 3 <br /> 4 Interior air film still O. 1 <br /> FLOW 5 14 inches sof t wood l"I.(o <br /> TOTAL R NA-2 <br /> U = 1/R .051 <br /> CEILING SECTION (INSULATED) : <br /> 1' Interior air film 0.61 <br /> 2 <br />♦ 3 <br /> 4 Exterior air film sti I l n.6i <br /> TOTAL R = <br /> Ua 1/R = <br /> IL(DL(D 4 5 CEILING, FRAMING SECTION: <br /> 1• Interior air film <br /> VENTED 2 <br /> 3 <br /> 4 Exterior air film still 5.61 <br /> 5 Inches soft wood <br /> TOTAL R = <br /> Ua 1/R = <br /> 3 4 5 <br /> .�' <br /> ':fit`•=` 1 Inside air film n.Al <br /> 4 <br /> Outside air film y x• 17 TOTAL R <br /> i/ <br /> � U - 1/R � �_ <br /> 13 Paize 4 <br />