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• � <br /> CONSTRUC710H R VALUC• � <br /> CElLltl� SECTi0t2 (INSULA7ED) : ' <br /> �� � Incerio� air ffim � �•��1 <br /> � 2 5/b" �n�jvSu� $0�0.20 •S� <br /> 3 12'' ��a,E.n.�,o.cS 1•���+�— 3�•-aa <br /> 3 4 4 Exter(o� air flln (scill ) �•�1 <br /> TOTAL R = 3�•"1 a <br /> U � 1/R = • a2� <br /> .� • . <br /> � CEILING FRAHING SECTION: <br /> � 2 5 1 Inter(or a1r f( in � �.F1 <br /> ' 2 �/b"4��S�� 3aa�z�� ' .5� <br /> AlR � VENTED 3 g" �� t2 �aS i.�5y� zs•33 <br /> 4 Interior air fi im sCi I1 �. 1 <br /> FL.�w 5 �►/Z inches soc c woo�i • . q;�� <br /> , • TOTAL R = 31. 4� <br /> � u = t/a = , 032� <br /> ' . CEILItlG SECTiON (I�lSULATED) : <br /> ,,,, ��..���y���-�� 1' {n t e r i o r a i r f i 1 n � �•F i <br /> :Y��� <br /> . � 2 <br /> ' 3 � .. <br /> • b Fxterior air riln still �• 1 � <br /> TOTAL' R '_ <br /> � n _ <br /> •/ ��I �• � . U s ��R — <br /> . 2 3 4 � CElLINr, FRAHING SECTION: <br /> . . 1• Interior air film �.F1 <br /> VENTED 2 <br /> • 3 <br /> 4 Exterior air film (still ) �. } <br /> ,� 5 Inches soft wood <br /> TOTAL R = <br /> . U = 1/R = <br /> -�3 4 5 � • <br /> g <br /> , . <br /> . L•�,,•`•. �': •�: =� <br /> :.•� .,::,,�' � l n.�t <br /> � :: •:����•- 1ns(de atr film <br /> ;,�: :: �1)' . 3 . <br /> � . , • . � ,� • . . <br /> ,S Outsfde ai � film R• 17 ' <br /> �� � � 2 � T07AL R � <br /> � , U � 1/R � <br /> ,[ - <br /> 18 ' <br />