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• <br /> CONSTRUCTION R VALUE, . . ' <br /> CEILING SECTION (INSULATED) : <br /> �_ l interior air film O.61 <br /> 2 <br /> 3 <br /> © 4 4 Exterior air film (still) O.A1 <br /> TOTAL R = <br /> ,v,�7 1��' U = 1/R = <br /> \ • .1/_ .1�IVi .11 1 <br /> F CEILING FRAMING SECTION: <br /> O1 Interior air film 0.61 <br /> 2 <br /> AIR VENTED 3 <br /> 4 Interior air film (still) O.61 <br /> FLOW_ 5 inches soft wood <br /> TOTAL R = <br /> U = 1/R = <br /> • <br /> . CEILING SECTION (INSULATED) : <br /> AA,� � 1' Interior air film 0.61 <br /> i '1 2 5,‘" Spec-A- I? L)& 0 69) <br /> 3 la- F-,\ok FLx r+� A)suL 3g c <br />'\ ( 4 Exterior air film (still) 0.61 <br /> �' TOTAL R = 3,1Jao <br /> !sJ?)Y4W!aW" L • U = l/R = D.OZ <br /> 0 0 0 0 0 CEILING FRAMING SECTION: <br /> 1• Interior air film 0.61 <br /> VENTED 2 ,,g', s kit tic took. (9, <br /> 3 11." F1/4 ec ({,RC 500:9 <br /> • 4 Exterior air film (still) n.;1 <br /> 5 7- - ('-A Inches soft wood 1 .89 <br /> TOTAL R = aue <br /> . U - 1/R - 0,01- <br /> 0 0 © ' <br /> El .,i.-0:--2..`f <br /> .� 0 • � <br /> • __.=`�,.,•• ', =car•-' . 1 „Inside a I r film <br /> .ft . 3 . A6v.a..\ • (z-ol Rzoe,ts.e, (9.t.2? .:. <br /> • 4 • ,10v 4.,,�.4k\es b;44 <br /> / 5 Outside air film ^• 17 <br /> 0 @ . TOTAL R l°I� <br /> d . U = 1/R = SO <br /> 13 Page 4 <br />