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CONSTRUCTION R VALUE. <br /> CEILING SECTION (INSULATED) : <br /> 1 Interior air film O.61 <br /> • ...10/1°61.... <br /> 2 57X .StiEg;Ili_oLAL --a-1 <br /> 3 tic.o.v10 FG- f Yss-'i cll. w <br /> 3 Q 4 Exterior air film (still) 0.61 <br /> TOTAL R = 4 <br /> 11,1141 <br /> e-- <br /> � • CEILING SECTION: <br /> •ilk A FRAMING <br /> O O © 1 Interior air film 0.61 <br /> 2 LStifg-r-c.4-- i NEI <br /> VENTED 3 +k) - fCCa .cx� <br /> AIR 4 Interior air film (still ) 0.61 <br /> FLOW 5 3V,L, inches soft wood •--/_ fi <br /> –7-11c--- TOTAL R = (/) ,0> <br /> U = 1/R = _cQa <br /> CEILING SECTION (INSULATED) : <br /> �� -- --- ;2r-� 1' interior air film 0.61 <br /> Z <br /> / ; 3 • <br /> 4 Exterior air film (still ) O.41 <br /> ^��(`�1 TOTAL' R = <br /> a <br /> •. ^' 1 ; ,t,, U a 1/R = <br /> It i l\r/l`j/ lr1A A.t..�fl tet. , <br /> • <br /> 0 - O 0 0 0 CEILING FRAMING SECTION: <br /> 1• Interior air film 0.61 <br /> VENTED 2 <br /> 3 <br /> 4 Exterior air film (still ) 0.61 <br /> • <br /> 5 inches soft wood <br /> TOTAL R = <br /> U = 1/R = <br /> • •;f7,i... : • <br /> 1 Inside air film 0•A1 <br /> • <br /> - O <br /> � 5 Outside air film x. 17 <br /> *5/ <br /> O © 70TAL R = <br /> .1, U - 1/R - <br /> 17 <br />