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r , <br /> r <br /> CONSTRUCTION R VALUC• � � - <br /> CEILINf; SELTI�t� (I��SULA7ED) : � <br /> � Interlor air fllm f1.F1 • , _ <br /> 2 ,n. YG BD. _SG� ' <br /> ' 3 <br /> 3 4 �+ Exterio� air f11m still) �.f�l <br /> TOTAL R �yy�7� <br /> U � 1/R � �D� t <br />� CEILING FRAHING SECTION: <br /> I � 2 5 1 Interior atr film �.F1 <br /> 2 �� �va Ba g� <br /> q�R VENTED 4 Inte�iot�ai r fi lm sti 11—�� <br /> FLOW 5 3' � �' inches sof t woo�t ���5- <br /> . TOTAL R = Sy,/3 <br /> ' Ua 1/Ra�a�s�3 <br /> ' . CEILING SECTION (INSULATED) : <br /> ,��„�,�s.�����,.��,p��� 1' I n te r i or a i� f i 1 m � A.F 1 <br /> � 2 <br />'1 . 3 �� <br /> 4 Exterior air film still �. 1 <br />� TOTAL R = <br /> J / �� U � ��R = <br /> �� �, <br /> I . 2 3 4 5 CEILINr, FRAMI�lr. SECTIO��: � <br /> 1• Interior ai r fllm A.F1 <br /> VENTED � � . 2 <br /> � � 3 <br /> 4 Exterior air fiim still �. 1 <br /> .� 5 lnches soft wood <br /> TOTAL R = <br /> . . • U � 1/R = <br /> 3 4 5 � � <br />� � � ..• ....,.;;:•'j;: `''•"'' -. � . . � . . <br /> .y. •,.::•;.•;'+ '':�t`•'�*`'"• � . 1 �Inside aTr film A.f+l <br /> :,.r?;t:,.:;::� '''' '' � . 3 . , . • <br /> . � . � 4�� . .; <br /> / � � I 2 ,�, Outside air film �• 17 <br /> � , TOTAL R � __. <br /> �,C• U � 1/R � __ <br /> 13 Page 4 <br />