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' � ' 4 <br /> CONSTRUCTI�N R VALUC� , ' <br /> CE I L I NG SECTI��a (i NSULATED) : � <br /> � I�tertor alr film (1.f+1 <br /> � 2 �g" a�ree�"Ro�K O�Sb <br /> • 3 � �► , � .o0 <br /> 3 4 4 Exterior air film still) �.�1 <br /> TOTAL R = ''�,,� <br /> U - 1/R � �0� <br />. � <br />■ CEILING FRAMING SECTION: <br /> � 2 �J 1 Inte�ior air film f1.fi <br /> 2 5 8" S��.'�vcrL. O.tsb <br /> AIR VENTED � 3 --l'�" F' ��.00 <br /> 4 Inte�ior ai r fi lm sti i��� <br /> FLOW 5 5'(y'' inches sof t woo�i b�a� <br /> . TOTAL R = S3,({�' <br /> ' U = 1/R = ,ol <br /> ' . CEILING SECTIOH (IPlSULATED) : <br /> ,���,��y�����,���,.;�, 1' {nterior air film � A.F1 <br /> C 2 5 g• g��,�E,-.c . _o.5b <br /> � . 3 „ �.� 3a,o t"� .. <br />► 4 ExLe�ior air film still �. 1 � <br />� TOTAL' R = 3'1.1 <br /> � � , u = i/R = .025 <br /> }• .:. <br /> i 2 3 4 5 cE���Nr, FRAMINr, SECTIO�i: � <br /> 1� interior ai r film �•F1 <br /> V E N T E D 2 5 g" 5"�—�.ocK � <br /> � 3 124 F�b��n. s. o <br /> 4 Exterior ai � ilm still) �.61 <br /> .� 5 cyq Irtcfies soft wood L�87 <br /> TOTAL R = � <br /> • U = 1/R = ,0�. <br /> 3 4 5 � <br />' � ��.,,:..:•�;;: ::": •`',�' � � . <br /> . • .;: .•:;-t::•'*' �,�'�, . . 1 Inside ai� film A.F1 <br /> . ' •,j.'•':;.•;••�:1��.:r. � 2 • <br /> - . 3 <br /> . . 4.. . <br /> / � � I 2 5 Outside ai� film _ �• 17 <br /> y . TOTAI R � <br /> / <br /> ,(• U � 1/Rs <br /> 13 Page 4 <br />