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i • <br /> CONS7RUCTI�N R VALUC� � <br /> CEILI��G SECTIOt� (IMSULATED) : <br /> _ � Interior air film �.F1 <br /> � 2 5/�'' s�.�.�.�-r��'C. . s� <br /> ' � f'Z'� C�C.-C�v l V'.,� y'!•0�1 <br /> 3 4 4 Exterioc air film still ) �•�1 <br /> TOTAL R = �S �b <br /> U = 1/R = <br />.. � <br />� � CEILING FRAHING SECTION: <br /> � 2 5 1 Interior atr film �.F1 <br /> '1 S/� g�,.<.c���.a��,` . S� <br /> AIR VENTED 3 �-z•� �t<<� .,�. ��,. u� <br /> �+ interior air film stiil �. 1 <br /> FLOW 5 3'/Z inches sof t woo�i 4•35'- <br /> TOTAL R = So� �3 <br /> ' U = 1/R = <br /> ' . CEILING SECTION (IhlSULATED) : <br /> , � �� 1' Interior air fiim �•F1 <br /> _ 2 <br /> � �` � 3 � .. <br />� '`� 4 Fxterior air film still �• 1 <br />°1 f`' TOTAL R = <br /> ;l .� � Ua 1/R = <br /> t� <br /> I 2 3 4 5 CEILINr, FRA�tINr, SECTION: <br /> 1• Interior air film �.F1 <br /> VENTED 2 <br /> � 3 <br /> �4 Exterior air film still �. 1 <br /> 5 lnches soft wood <br /> T07AL R = <br /> • U = 1/R = <br /> 3 4 5 � � <br />� � \ :: .4�;- �,;`: •`' •�' - � � . . <br /> • � �, :;�:'�"'"• � 1 InsTde air fi�m �.�1 <br /> . ; :;:.�.,: :: � - . 3 , . - � <br /> � . � 4 � : <br /> 5 Outside air film �• 17 <br /> �� � 2 TOTAL R � <br /> / <br /> ,(, U � 1/R � <br /> 13 Page 4 <br />