Laserfiche WebLink
CONSTRUCTION R VALUC• � <br /> CEILING SECT1Otl (It1SULA7c'D) : ' <br /> � Incerior air ffim �•F� <br /> � 2 �s4 <br />� 3 4 9- <br /> 3 4 4 Exterior air ffln (sti11 ) �•�1 <br /> TOTAL R S�, �v <br /> U � 1/R = ,O 1— <br /> / CEILING FRAHING SEC7i0N: <br /> � 2 5 1 Interior air film �•�'� <br /> � 2 •`�,L <br /> AIR VENTED 4 Interior air fitm still � <br /> FLOW � � inches sor t woocl y. 3 j <br /> TOTAL R = ��p./3 <br /> � u = z/R = �o� <br /> ' • �AC_.)(.--�� . . <br /> -- � �--`� <br /> � . �CEILI�lG SECTiON (ltlSUTATED) : <br /> 1 r �,��,����„��,��„�����+"7� 1' {nterior ai r fi 1n �•F1 <br /> _-�- 2 , �„� <br /> . . 3 . , <br /> �;-' <br /> 4 Fxterior air film stili �• 1 <br /> TOTAL R =,, �� ,�'�� <br /> � �, U a 1/R = � ��- <br /> .� t <br /> I 2 3 4 5 CEIL(Nr, FRAHINf; 5ECT10N: <br /> �• Interior ai r fiim �•�1 <br /> VENTED 2 <br /> � 3 <br /> � Exterlo� air film s:ill �. 1 <br /> ' S inches soft wood <br /> TOTAL R = <br /> r <br /> � U = 1/R = <br /> 3 4 5 . <br /> , <br /> _ ,, 'L'�*''" `�� y �,� `. 1 InsTde air film �.F+1 <br /> :fl-. ;;:: .� :' �` � _ 3 - . <br /> . " t, � <br /> � 5 Outside air film _ �. 17 <br /> /,�� � 2 T07AL R � <br /> //� U � 1/R = <br /> �� <br /> 18 <br />