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f � CONSTRUCTION R VALUC• ' <br /> CE I L 1 NG SECTI tlti (I NSULATED) : � <br /> � Interlor air film (1.F1 <br /> 2 " .SG <br /> . 3 il„ <br /> 3 4 4 Exterior ai � film still) �.�1 <br /> TOTAL R =�8 <br /> u - t/R � ,o'S <br />■ / CEILING FRAHING SECTION: <br /> � 2 5 1 Interior air film � O.f�l <br /> � 2 . � <br /> q�R VENTED 3 <br /> 4 intertor air film stiil 0. 1 <br /> FLOW 5 �( inches sof t woo�i q, � <br /> TOTAL R a <br /> ' U = 1/R � ,0� <br /> � • . . <br /> ' . CEILING SECTION (IhJSULATED) : <br /> ,��„�,���� g����t�, 1' Interior ai r fi tm � O.F1 <br /> 2 <br /> . . 3 � .. <br />� 4 Exterior air film still �. 1 <br />� T07AL� R = <br /> ;l / � Us 1/R = <br /> �• �, <br /> I . 2 3 4 5 tE���Nr, FRAMINr, SECTIO�i: <br /> 1� Interior air film A.F1 <br /> VENTED 2 <br /> � 3 <br /> 4 Exterior air film still �• 1 <br /> � 5 Inches soft wood <br /> � TOTAL R = <br /> . � II �/R � <br /> 3 4 5 � � <br />� .. ,,..- •:��;::= ::'� `'•."'' "� . <br /> . ,,._. •::..•�:�:.'*- :►_••.• � . 1 Inside air film �.f+t <br /> . "�.•,SI.,.�•.�. ��•.dr� � � _ . . Z . . . <br /> - . 3 <br /> � � n. t7 � <br /> /�/� ' 2 S Outstde air fiim <br /> � TOTAL R � __ <br /> / <br /> .[� U � 1/R = __ <br /> 13 Page 4 <br />