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� . <br /> � OONSTRUCTION R VALUE <br /> ' CEILING SECuOt`l (INSULI��TID) <br /> � 1. INI'FRI� AIR FIII� 0.61 <br /> ' 2. 5/S" GYPSUM BOARD 0.56 <br /> 4 <br /> ,: 3. 12" BL(7W'N INSt)LATION 44.00 <br /> �' 4. EXTEftICR AIR FII��i (ST'ILL) 0.61 <br /> �'i'�TAL R =�45.7-8� <br /> ' - U = 1�R � •UL <br /> t <br /> CEILING FE2�IG SECTION � <br /> 1. Il�ITFRIC�Z AIlZ.FIII� C.61 <br /> 2. 5l8" GYPStAri BO�RD 0.56 <br /> � 3. 8 1/2" BIl7�r�1 INSIILAT'ION 31.17 <br /> 4. �ICffZ AIlZ FIIM (STILL) 0.bl <br /> 5. 3 1/2" SOFT WOOD 4.35 <br /> • Z�OTAL R �37.3 . <br /> U = 1/Z =�� <br /> / 6 <br /> /�' <br /> .` �': <br /> � , � <br /> i /�\`,• 1 <br /> � .. i � <br /> .�� ' <br /> � ' <br /> 1 <br /> . y <br /> � , <br /> , <br /> . . <br /> • ..�.•.... .�i-�.v <br /> ' "___ - <br /> 7 <br /> J <br />