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CONSTRUCTION R VALUE- <br /> CEILING SECTION (INSULATED) : <br /> 1 Interior air film <br /> 2 f40 <br /> 3l Z '' t aar M 6-0*45 3�.©D <br /> 3 4 4 Exterior air film (still) 0.Al <br /> TOTAL R = �,78 <br /> U. 1/R - 0.0'� <br /> CEILING FRAMING SECTION: <br /> 1 2 5 1 Interior air film O.F1 <br /> 2 O C..1L <br /> AIR VENTED 4 Inter?or ariir �A ��"+55 3 � <br /> FLOW 5 hes soft wood <br /> TOTAL R <br /> U I/R �rDZ► <br /> CEILING SECTION (INSULATED) : <br /> 1' Interior air film O•Fi <br /> 2 <br /> 4 Exterior air filmstill 071 <br /> TOTAL• R = <br /> FV1Z , U 1/R = <br /> L <br /> :Di Lo 3 4 5 CEILING, FRAMING, SECTION: <br /> I. Interior air film 0•61 <br /> VENTED 2 <br /> 3 <br /> 4 Exterior air film still n.61 <br /> 5 Inches soft wood <br /> TOTAL R = <br /> U = 1/R = <br /> 3 4 5 <br /> •'t ���='' " 1 Inside air film A.�1 <br /> S Outside air film x• 17 <br /> 2 TOTAL R = <br /> � . U 1/R = <br /> 18 <br />