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CONSTRUCTION R VALUE. <br /> CEILING SECTION (INSULATED) : <br /> i Interior air film 0.61 <br /> 2 sko S.Racer. <br /> 3 « ..00 <br /> 3 4 4 Exterior air film stili) O.Al <br /> TOTAL. R - <br /> U = 1/R - .02, <br /> CEILING FRAMING SECTION: <br /> 2 5 1 Interior air film 0.61 <br /> 2 Ask9-0c4c. _ <br /> VENTED <br /> 31L F �'•92AIR 4 nterior air film still 0.61 <br /> FLOW 5 inches soft wood <br /> TOTAL R = <br /> U = 1/11 = �O=. <br /> CEILING SECTION (INSULATED) : <br /> r � � ��,r •,Qa,e��gT �I 1' interior air film 0•F 1 <br /> 2 <br /> 4 Exterior air film still 0.61 <br /> 1 TOTAL- R = <br /> f �• U 1/R = <br /> L <br /> L <br /> I 2 3 4 5 CEILINr, FRAMING, SECTION: <br /> 1• interior air film 0.61 <br /> VENTED 2 <br /> 3 <br /> 4 Exterior air film still O. 1 <br /> 5 Inches soft wood <br /> TOTAL R = __ <br /> U 1/R = <br /> 3 4 5 <br /> .,_ .;• +~ 1 Inside air film O <br /> 2 <br /> / ( 2 5 Outside al r film <br /> TOTAL R = <br /> U = 1/R = <br /> 13 Page 4 <br />