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CGILING Wi'1'll VG(�Il'L•'U �'i'l'l�: 5l'/�LI• /�I_tOV� <br /> � � � R VALUG R VALUG <br /> - E'EtAMI[3G CGILING <br /> O_61 Aic Film O_61 <br /> � 36_00 In.sulation 44_00 <br /> / � <br /> / 4_3g Joist <br /> � <br /> .- ,/ <br /> / � _56 Ceiling _56 <br /> � <br /> � O_61 Air Eilm , 0.61 <br /> , <br /> 41_SS Total R 45.78 <br /> �_ <br /> 1 _021 <br /> .024 U = � <br /> CATEiGDRAL CEILING <br /> R VAL(J� R VAL(JE <br /> �I� CEILING <br /> 0.61 Inside air EiLn 0_61 <br /> � _56 <br /> _56 Ceiling <br /> 14.375 Joist�Spacer� — <br /> _ — Insulation 33_85 <br /> _ -- r-- - <br /> � <br /> � — Aic Space -� <br /> _67 Roof decking -67 <br /> __ _O6 ['elt -� <br /> _44 Shingle -� <br /> 0.17 Outside air film 0.17 <br /> 16.88 Zbtal R 36_86 <br /> .059 R = U .027 <br /> WindoW infiltration .S cfm/lineal foot of crack <br /> Residential dooc infiltration 0_S cfm/square foot oc door and minimum cocle requiremenl. <br /> [Jon-cesidential dooc infiltration 11_0 cfm/lineal Eoot oL c�ack <br /> Ub 12" concrete block no insulation = _781 a 1.2£3 <br /> double glass = .52 <br /> triple glass = .31 <br /> 1111 extecior valls and ceilings n►ust have a vapor barrier (0.10) pern� �oaxm ) - <br /> Yapoc barrier mu9� be on the inside (heated side) oL vall_ <br /> Yapoc barie�s ot Che polyethelene �hin Lilm have no lt value. <br />