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, <br /> � '_ <br /> � CONS7RUCT10N R VALUC � ' <br /> - � CE i L f NG SEC71 �N (f�rSU�A7ED) � n �� <br /> � Interlor air filn <br /> 2 � � • ��5 <br /> ,, � <br /> 3 �,, ;, ., _, � �-� � ?� �����e���.t�t��� <br /> � (stiil ) �.�t '� <br /> 4 Exterior 'ai r � I 1n <br /> � r--��r� TOTAL R = '=�. ',. ; <br /> I �� <br /> � �' - t/R = � j'� 1 �� <br /> � j� U <br /> � �,T <br /> \ C-ILING FRAHING SECTION: <br /> � ` �.E�1 <br /> � 2 � � Interior air riln y <br /> 2 � + ���"� <br /> .� � , <br /> 3 ,�, � ,, , sl.�,.t� <br /> AIR VENTED 4 Interior air film still �. 1 <br /> FLOW 5 Y, � � inches sor't woo�t <br /> TOTAL R = <br /> , U = 1/R = <br /> � . <br /> � . C� ILIIIG SECTiO�i (fNSULATED) : � �1 <br /> ,h:r,;--+'ti�`"����'''z4�-t'" ��'`�'.:3.�?�,t.�`�,-�� <br /> �' Interior air rilm <br /> 2 <br /> � - 3 .. <br /> 4 Exterior air film stiil �•h� <br /> TOTAL R = <br /> ,� n <br /> � U = 1/R = <br /> � � � `i� <br /> � 2 3 4 5 ��� ��Nr, FRAHItl� SECTIOt�: <br /> �• interior air film �•�� <br /> VENTED z <br /> . 3 �.., � <br /> 4 Exterior air film still <br /> • 5 tnches sort wood <br /> TOTAL R = <br /> U � 1/R = <br /> 3 4 5 . <br /> , <br /> •`'-��.';`�'',;.� - -`' Inside air film �.�1 <br /> .,,�•�._ 1 <br /> '` 1, ;''. .,; �_ 3 . . . <br /> . � � n, 17 <br /> / � � Outslde air film <br /> � � 2 TOTAL R - <br /> � U - 1/R - <br /> � � <br /> 18 <br />