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', � CONSTRUCTION R VALUC• ' <br /> • CEILING SECTION (INSULATED) : � <br /> 1 Intertor atr film �,�� <br /> . 2 __ 8' ht7� �6•Ll� •53 <br /> 3 •• � O.o�D <br /> 3 4 4 Exterlor air film still �.(�1 <br /> TOTAL R = 1.7� <br /> `— <br /> U � 1/R - . o(�j <br /> � CEILING FRAMINC SECTION: <br /> � 2 5 , 1 Interto� air film n,bl <br /> 2 �' r� W,e.�.l.- <br /> AIR VENTED y Inter o� airr f11m sti 11 �4. 1 <br /> FLOW 5 s� � Inches sof t wooci <br /> � ' TOTAL R @ . . <br /> u e 1/R � ,oZZ <br /> - . ' . . � . <br /> ' • CEILINC SEf,T10N (IFlSULATED) : <br /> ' " �-� 1' Interio� air film � O.F1 <br /> . y <br /> • 3 . <br /> � 4 f.xterior a r i lm sti 1 �. 1 �� � <br /> TOTAL R = <br /> � � <br /> , , . U � 1/R � <br /> ... — <br /> � Z 3 4 5 CEILINr, FRAMIMr. SECTION: � <br /> i• Inte�tor air film . A,f.l <br /> VENTED 2 <br /> ' 3 <br /> � • 4 Extertor air m st 11 �. 1 <br /> � 5 inches soft wood <br /> TOTAL R = <br /> � U � 1�Ra <br /> 3 4 5 . <br /> � ,.. .;; :::�:4;��'�. . . ' <br /> e� ��,.•:�' . ,y��•�',1• <br /> •l .� �\��..� • <br /> � ._• .� ..f�.����',i�;•�.s'. . <br /> .;. =�-�. 1 InsTde alr film A.�1 <br /> �tj{t:::: � . . . , <br /> ..r` =�j.i.•... . '1 . . <br /> •-� _ � 3 , . . <br /> . . 4 ' .i. <br /> �/� � 2 . S Outs de a � lm . �. 7 <br /> �� , . TOTAL R <br /> �� � <br /> U � 1/R � <br /> Page 4 <br />