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ti <br /> CONSTRUCTION R VALUC� <br /> —_ <br /> tEILING SECTION (INSULATED) : <br /> 1 Interlor atr ftlm �,F� <br /> 2 8 "SHEETROCK <br /> 3 WN INSULATI N <br /> 3 4 4 Exterior air fllm st111) �.F� <br /> TUTAL R s . <br /> U � 1�R • .�22 <br /> — <br /> � <br /> '� ( 2 5 CEILINC FRAMiNG SECTION: <br /> 1 Interlor air film A.(+1 <br /> 2 ,5f 8 " SHEETROCK .56 <br /> A�R VENTED 3 WN INSULATION 31 .17 <br /> 4 Interior air ilm st 11 A. 1 <br /> FLOW 5 i nches sof t woo�i <br /> TOTAL R �37.30 <br /> U � 1�R � .�27 <br /> CEILING SECTION (INSULATED) : <br /> T j �.� 1' Interior air film A.F1 <br /> 2 <br /> 3 �' <br /> G 4 f.xterior air film still A. i <br /> TOTAL R s <br /> J � � u - �/a - <br /> � �, <br /> I 2 3 4 5 CEILINr, FRAMI�ir, SECTION: <br /> � 1 Interior air fiim A.f+l <br /> VENTED 2 <br /> 3 <br /> 4 Exte�tor a r lm still A. <br /> S lnches soft wood <br /> TOTAL R � <br /> U � 1/R = <br /> 3 4 5 <br /> H .. .....::- :.:: .�: .�. . <br /> .. ..;.� ��^:..::;�. ., <br /> .,.� : :- �►t 1 ,Inside ai� film �.�1 <br /> . , ;�::�.�:;; ::�.:.: 3 <br /> 4 <br /> /,�/� ( 2 S Outside air ilm �. 7 <br /> �/J TOTAL R � _� <br /> �� � � <br /> U 1/R _� <br /> Page 4 <br />