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CONSTRUCTION R VALUC- <br /> CEiLINI; SECTION (INSULATED) : <br /> 1 Interior air film <br /> 2 •�"(o <br /> 3 <br /> 3 4 4 Exterior air film (still ) 0.A1 <br /> TOTAL R = <br /> U . l/R - <br /> LO CEILING FRAMING SECTION: <br /> 2 5 1 Interior air film <br /> 2 S <br /> VENTED ° a� <br /> AIR 4 Interior air film still 07 <br /> FLOW 5 inches soft wood - 3S'- <br /> TOTAL R = /3 <br /> U 1/R = b� <br /> CEILING SECTION (INSULATED) : <br /> 1' Interior air film 0•F 1 <br /> 2 .5 <br /> 3 oa <br /> 4 Exterior air film still n.61 <br /> TOTAL R = `t •-7Sf <br /> now <br /> L <br /> I Lo 3 4 5 CEILING, FRAMING SECTION: <br /> 1• Interior air film o.61 <br /> VENTED 2 <br /> 3 <br /> 4 Exterior air film still 0.61 <br /> 5 Inches soft wood <br /> TOTAL R = <br /> U 1/R = <br /> 3 4 5 <br /> � _ • :;'��' " '" 1 Inside air film n.A1 <br /> 4 <br /> Outside air film n. 17 <br /> 2 <br /> TOTAL R = <br /> U = 1/R = <br /> ,C — <br /> 18 <br />