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� CONSTRUCiION R VALUC• ' ` • ' <br /> CE l L i NG SECTI�t� (IttSUlAiEO) : ' <br /> � - � � Incerto� air ffln �•��� <br /> ' 2 IZ." �'►s3iErz r��`7 I.J�i�I1... 39�.00 ' <br /> 3 `����� �.9JD��it} ►�i',�rt�",.) .S� <br /> 3 4 4 cxterto�rair f( ln (s[ili) �.�+1 <br /> TOTAL R ='3� .")� <br /> U - 1/R = <br /> t <br /> ' \ . <br /> � CEiLIt1G FRAY,IrIG SECTtON: <br /> 1 2 �J 1 interior air riln �.F1 <br /> 2 c��zs,� a�-p Sy►_l 'C%o�.�r� -'x� <br /> AIR � VENTED 3 " �� �,._=�- _. - ;f . _. zs.�% <br /> �+ Interior air�`ilir sti,ll �.nl <br /> FLOW 5 �=�/— inches so�c woo�i � � <br /> • � TOTAL R = % ;.3'; <br /> ' U = i/R = :�?•� <br /> ' . CE I L l t!G S:C i i 0Fi (f lISUlATEO) : <br /> }�,,��.� ' _ ���,��� 1' Intericr air filn � �•�1 <br /> , <br /> 2 <br /> � ' 3 ' .. . <br /> . 4 E.xtericr ai r fi lm sti f 1 �• 1 <br /> i07AL' R = <br /> �� U a 1/R = <br /> � 1• �. . . <br /> . 2 3 4 5 cE� �tNr, F�art��;� s�cT�o��: <br /> . . � 1• Interior air film �•E+1 <br /> VENTED 2 <br /> • 3 <br /> 4 Exterior air filn (still ) �. � <br /> .� 5 1r.cnes sof t wood <br /> T07AL R = <br /> . U = 1/R = <br /> --�3 4 5 � • <br /> •�_��.::/•,�•' `• . � n.F1 <br /> ;. •;:�� 1 Inside air film <br /> .,'�',: •�, 3 _ • . . _ <br /> % � <br /> � � • ' • �+ �� ' � <br /> ��� ,5 Outside air film n• 17 � <br /> /�/� 1 ;' 2 707AL A • <br /> /r - <br /> , � <br /> �/ <br /> �, U = 1/R � <br /> 18 <br />