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. :-.:C � . <br /> ,rf,�° _ � OF MIfV�NESC�TA <br /> �Y� � <br /> �.:� <br /> . . <br /> �- � <br /> �-� _,..� <br /> CONSTRUCTION: R-VALUE : <br /> �� : . -------------------------- <br /> i �t .. CEILING SECTION ( INSUL . ) : <br /> w.��� r: <br /> 1 ) INTERIOR AIR FILM 0 . 610 <br /> �~� =� '� 2 ) 5/8 ' ' DRYWALL 0 . 450 <br /> � � 3 ) 14 " BLOWN INSL . 44 . 000 <br /> �' 4 ) EXT. AIR FILM ( STILL ) 0 . 610 <br /> TOTAL R-VALUE : 45 . 670 <br /> ���- 3) <br /> " �� 4� u = 1/R = 0 . 022 <br /> �°�:�s'°�-�, <br /> � ��a,°,� <br /> VE N TED CEILING FRAMING SECTION: <br /> I INTERIOR AIR FILM 0 . 610 <br /> 2 ) 5/8 " DRYWALL 0 . 450 <br /> Sl 3 ) 10-1/2 " BLOWN INSL . 38 . 000 <br /> � AIR 4 ) EXT . AIR FILM ( STILL ) 0 . 610 <br /> �� FLOV� � 3-1/2 " SOFT WOOD 4 . 380 <br /> 2 • -------- <br /> TOTAL R-VALUE : 44 . 050 <br /> U = 1/R = 0 . 023 <br />