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' • CEILING SECTION (INSULATED) : <br /> . \�ti �, � � ' ��,.f• 1 Interior air film 0 . 61 <br /> � �`._ <br /> ! � ��,,.-���F� 2 - i " �r <br /> , 3 4 3 : �-. <br /> . � ; _ <br /> �•OU <br /> �..,!... 4 Exterior air film <br /> . �, ,.. <br /> (still) 0. 61 <br /> TOTAL R = � <br /> U = 1/R = <br /> , <br /> I � 2 �7 CEILING FRAMING SECTION: <br /> i <br /> AIR � VENTED 1 Interior air film 0. 61 <br /> FLOW <br /> 2 ___ <br /> 3 <br /> 4 Interior air film <br /> (still) 0. 61 <br /> 5 inches soft wood <br /> TOTAL R = <br /> U = 1/R = <br /> -x. r_;�.r:�-c_� �y� .. <br /> CEILING SECTION (INSULATED) : <br /> 1 Interior air film 0 . 61 <br /> \ 1 ~�' _� ,` � 3 <br /> t <br /> 4 Exterior air film <br /> (still) 0 . 61 <br /> VENTED TOTAL R = <br /> 1 2 3 4 5 U = 1/R = <br /> CEILING FR.AMING SECTION: <br /> 1 Interior air film 0 . 61 <br /> 2 <br /> 3 4 5 3 <br /> 4 Exterior air film <br /> (still) 0. 61 <br /> ,�, 5 inches sof t wood <br /> ' �"�''; TOTAL R = <br /> \ . � <br /> � -4.�•' . � � U = 1/R = <br /> �, . <br /> ,� '' t � •��-�� <br /> _ ;� 1 Inside air film 0 . 61 <br /> r <br /> ,�."\` � 2 <br /> ,--. ,, _ ____- ---- <br /> ,�,` � 2 3 <br /> !-.i 4 — -----___..____.�__�. <br /> 5 Outside air �ilm 0. 61 <br /> TOTAL R = <br /> U = 1/R = <br />