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A � CON57RU TION R VALUC� � <br /> - •� <br /> CE i L i Nf; SEC 1 Qt� (1 r1SULA7ED) : ' <br /> � � � I�t rior air fllm 11.F1 � <br /> � 2 � l� <br /> 3_ g _ P,� <br /> 3 4 � Ext rtor air ftlm still) �•�1 <br /> TOTAL R = � z8 <br /> U � 1/R � ,02. <br /> � 2 5 CEILING F ING SECTION: <br /> 1 Ini rior air fiim A.fil <br /> . 2 S/ � <br /> AIR �� � VENTED 3 � '� � � <br /> , 4 Ini rior air fi m stiil �. 1 <br /> FL,�w . . _ _ 5 3 2. inches sof c wooc� y; 7,� <br /> . TOTAL R = 4�`, 1 <br /> U � 1/R = , a2- <br /> ' CEILING SEC i0N (INSULATEL�) : . <br /> �,� � g,A��r1a�,s�.� . 1' (�t r i or a i r f i 1 m � Q:F 1 <br /> 2 — <br /> � . 3 . <br /> � _ 4 Ext rior air film stii ) �• 1 � <br /> T07A1' R = <br /> � � U � 1/R = . <br /> 4' r, ' . <br /> . 2 3 4 5 cE��tN� F IHr, 5ECT10H:. <br /> . . 1• (nt rior ai r film A.Fi <br /> VENTED 2 � <br /> . 3 <br /> . 4 Ext rio� air film still �. 1 <br /> � 5 1�ches soFt wood <br /> � TOTAL R a <br /> • U � 1/Ra <br /> -�3 4 5 � � <br /> , <br /> � �, •��•_���•�. . <br /> .� .,•: '':�i`�-''::�:''-�•`' ',• � 1 InsT e`air film �.�1 <br /> ;;:';::: :��=�' � . 3 . <br /> � . . � � � 4 �� � � �; <br /> S Outside alr film �. 17 <br /> �� � 2 . 70TA1 R � <br /> � • U � 1/R � <br /> � __ <br /> 18 <br />