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. �� � <br /> � r+,t- <br /> , �., � OF MIf�tNESOTA <br /> . . <br /> CONSTRUCTION: R-VALUE : <br /> � -------------------------- <br /> CEILING SECTION ( INSt1L . ) : <br /> 1 ) INTERIOR AIR FILM 0 . 610 <br /> 2 ) 5/8 " DRYWRLL O . Q50 <br /> 3 ) 14 " BLOWN INSL . a4 . 000 <br /> 4 ) EXT . AIR FILM ( STILL ) O . E10 <br /> 31 TOTAL R-VALUE : 45 . 670 <br /> c� U = 1/R = G . 022 <br /> , <br /> VE N TED � CEILING FRAMING SECTION: <br /> �� �� I INTERIOR AIR FILM 0 . 6'_C <br /> 2 ) 5/8 " DRYWALL 0 . �5C� <br /> 3 ) 10-1/2 " BLOWIv' INSL . 3° . 000 <br /> S� AIR � ) EXT . �.IR FILM ( STILL ) C . E10 <br /> ��1 FLO�I� } '-1/2 ' ' SOFT WOOD 4 . 380 <br /> 2J TOT�L R-VALUE : �� C50 <br /> U = 1/R = O . C2? <br />