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• • ` CONSTRUCTION R VALUE <br /> I <br /> CEILING SECTION ( INSULATED) <br /> ( 1) INTERIOR AIR FILM 0.61 <br /> a (2) 5/8" GYPSUM BOARD 0.56 <br /> ,.� (3) 12" BL�NTN INSLTLATION 44.00 <br /> �• n (4) EXTERIOR AIR FILM (STILL) 0.61 <br /> �� TO'I'AL R = 4 5.7 8 <br /> n � � U = 1/R = .022 <br /> t ��ILING FRAMING SECTION: <br /> (1) INTERIOR AIR FILM 0.61 <br /> (2) 5/8" GYPSUM BOARD 0.56 <br /> (3) 8-1/2" BLpW1V INSUL�ATION 31.17 <br /> (4) EXTERIOR AIR FILM (STILL) 0.61 <br /> (5) 3-1/2" SOFT WOOD 4.38 <br /> TO'TAL R = 3 7.3 3 <br /> U = 1/R = .027 <br /> / 6 <br /> �� <br /> /� t': <br /> � � <br /> , <br /> �/`�` ' <br /> , <br /> . <br /> , <br /> � <br /> / ! <br /> 1; <br /> � � � <br /> .ti�.•,. -�-.r.v <br /> — - 7 <br />