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� <br /> %. „ <br /> .. �. <br /> ; • � ' <br /> CONSTRUCTIAN• R VALUC ' , <br /> . .—... <br /> CEIIINR SECTIQN (INSULATED) : � <br /> ' ' 1 Interio� air flir+ A.F1 <br /> 2 <br /> � 3 <br /> 3 4 a Exte�lor alr film stilt) A.F1 <br /> TOTAI R � <br /> • U � 1/R � <br /> � 2 CEILING FRAMING SECTION: <br /> I 5 1 Intertor air film �.F1 <br /> 2 <br /> AIR• VENTED 3 <br /> 4 nter or air m st� ll �. 1 <br /> FLOW 5 nehes sof t woo� <br /> T�T AL R � <br /> ' V � I/R � <br /> � <br /> CEILING SECTION (INSULATED) : <br /> • �,��� ,r�„ 1' Interior air film �.Fi <br /> — 2 <br /> 3 <br /> � 4 f.xterior air ilm stii ) �. 1 <br /> TOTAI R = <br /> r � U � 1/R = <br /> � t` .:, <br /> I 2 3 4 5 CEILINr, FRAMINr, SECTtoN: . <br /> . 1• Interior ai � film A,F1 <br /> VENTED 2 <br /> 3 <br /> _ . 4 Extz�lor �ir � lr+ scill �. 1 <br /> S �nthes soft wood <br /> • TOTAL R = <br /> ' _J • <br /> ' U � 1�R � <br /> . 3 4 5 • <br /> H � .. •. •:•�.,;'� '.:�. '4'�•�� <br /> r •. ••'•:':t:. ���'`• ` 1 Inside air film �.�1 <br /> :. . <br /> . ,, :;.:�.,: •.: � 3 . <br /> 4 <br /> �,��� ' 2 ,r, Outside ai� ilm n, 17 <br /> �/J � TOTAL R • __ <br /> %' <br /> � .f 'U � �/R � <br /> Page 4 <br />