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CONSTRUCTION R VALUE. <br /> CEILIiIG SECTION (INSULATED) : <br /> 1 Interior air film <br /> 3 4 4 Exterior air film still n.A1 <br /> TOTAL R - _4k.-75 <br /> U - 1/Re .021 <br /> L@ CEILING FRAMING, SECTION: <br /> L04 <br /> 1 Interlor air film O,F1 <br /> 2 all e, vv6�. <br /> AIR VENTED q Inter`or air film--Us ti 1 �n <br /> 74, <br /> .61 <br /> FLAW 5 5'12 inches soft wood 4.2-19 <br /> TOTAL R 4Z.35 <br /> UQ 1/Ra ,® <br /> CEILING SECTION (INSULATED) : <br /> 1' Interior air film n.61 <br /> 2 <br /> 3 <br /> 4 Exterior air film (still) O. 1 <br /> TOTALR = <br /> U1/R = <br /> I 2 3 4 5 CEILINn FRAMING, SECTION: <br /> 1• Interlor air film O.61 <br /> VENTED 2 <br /> 3 <br /> 4 Exterior air film (si11) O.61 <br /> 5 inches soft wood <br /> TOTAL R = <br /> Ua 1/R = <br /> 3 4 5 <br /> 1 ,Inside air film n.AI <br /> 2 <br /> 3 . <br /> 5 Outs de air film A. 17 <br /> 2 TOTAL R <br /> U - <br /> Page 4 <br />