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� , � . <br /> CONSTRUCTION R VALUC• ' <br /> CEILIFlG SECTION (INSULATED) : • <br /> � Interlor air f( lm (1.F1 <br /> ' 2 S " OSro `, . <br /> S� Sf��?.or''..1�- ;` <br /> ' 3 I S" t�.ow�1 ►� uxX�t� b�D <br /> 3 4 �4 Exterlo� air film still) �.�1 <br /> � TOTAL R = 41�7 <br /> U � {/R � �O <br /> � � CEILING FRAMING SECTION: <br /> I 2 5 1 Intertor air f11m (l.f+l <br /> 2 S w O� <br /> AIR VENTED 3 '' a iN �- .o <br /> 4 Inte�ior air film stiil �. 1 <br /> FLOW 5 3' Z" inches sof t woo�i 4�35 <br /> . TOTAL R s �� i'3 <br /> ' U a 1/R � �DZ,S <br /> , . . <br /> ' . CEILING SEf,TION (IFlSULATEQ) : �° �'�GE <br /> , „ ��y _,g�p,� 1' Interio� air film � �.F1 <br /> 2 � S " �I Z- <br /> 1 ' - 3 ►, � � g .b .. , <br /> 4 Exterior air film stiil �• 1 ��," <br /> " TOTAL� R = �_3�- ' <br /> ;/ � U � 1/R a ►�'31 <br /> �, � . . . <br /> � . 2 3 4 5 CE I L I Nr, FRAH 1�lr, SECT I Ofl: � ���' <br /> � 1• interior air film A.F►1 <br /> VENTED 2 �Dc�� s ��' �/DSUM ;I.l� <br /> . 3 . , — <br /> 4 Exterior air film sttl ) �. 1 <br /> . 5 a' Z� loches sof t wood $.CO L , <br /> ' TOTAL R = �,� . <br /> • U e i/R = ' �� <br /> 3 4 5 ' � <br /> � .- •�••.:;' �•'�' �•.,�� • <br /> ' .:;.,,::•.;,. ••t;�`.'::.`�;►'`.�. . 1 Inslde air film �.f►) <br /> .1�:.�=:}�%;::•: '::•:• � . 2 • <br /> : , _ 3 . . ; <br /> . . � . . .* � <br /> / � � � 2 5 Outstde alr film �• 17 ry <br /> � , TOTAL R � _,_ <br /> �,C� U � 1/R � <br /> — <br /> 13 Page 4 . <br />