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CONSTRUCTION R VALUC <br /> CEILING SECTION (INSULATED) : <br /> ^ I Interior alr film �f~1- <br /> 3 <br /> ✓ � 3 4 4 Exterior air film (Still) n.+�l <br /> TOTAL R <br /> / U - 1/R � <br /> CEILING FRAMING SECTION: <br /> ( 2 5 1 Interior air film O,F1 <br /> 2 -- - <br /> AIR VENTED 4 I ntericr air film sti 1 i ().('I <br /> SLOWG inches soft wood _ <br /> TOTAL R <br /> U - I/R - <br /> CE I. INS SECTION (INSULATW - <br /> ��y-, I- interior air film O.61 <br /> 4 Exterior air film still O. l <br /> TOTAL R <br /> � f� 1 y� r <br /> f \ <br /> 1 4 CEILIN'; FPAMItlr, SECTION <br /> I InLcrio- air FiI^, O•�'i <br /> VE N1 E D 2 ""W- y----- - - <br /> Enter-1 , .; sri <br /> rinches sort wood b"1 ! <br /> i Inside air f Im rl.hi <br /> 4� Outside air film —_ten l7 <br /> - n R ,1 � � TpT t <br /> ti IJ � /R <br />