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i <br /> CEILING WMA YENT'EO A1TIC SPACE AROYL <br /> R VALUE R VALUg <br /> FRAMING CEILING <br /> 0.61 Air- Film 0.61 <br /> 36_00 Insulation 44_00 <br /> 4_38 Joist <br /> S _56 Ceiling _56 <br /> 0.61 Air Film 0.61 <br /> 41_55 Zbtal R 45.78 <br /> _024 U = R _021 <br /> CATUEMAL CEILING <br /> R VALUE R VALUE <br /> CEILING <br /> _ - 0.61 Inside air film 0.61 <br /> .56 Ceiling .56 <br /> 14.375 Joist(Spacer) -- <br /> Insulation 33.85 <br /> Aic Space .50 <br /> .67 Roof decking .67 <br /> .06 Felt .06 <br /> .44 Shingle .44 <br /> 0.17 Outside air film 0.17 <br /> 16_88 Tbtal R 36-86 <br /> Window infiltration _5 lin -O5� R U .027 <br /> cfia/ eal foot.of.cracl�:�,.;:•_�;:. . <br /> Residential door.infiltcaCion O:S. ct / t door;;and_ _requi <br /> _.?^;�:�,�, f �ta1f11II71I��axJCIG! re2. •r•. <br /> Non-iesidential.dooms it F;iirxati«i cr <br /> . t • -• .. of s`iry��C . -- y ',, <br /> Ob 12' concrete block no insulation = .781 R 1-28 <br /> double glass = .52 <br /> tciple_gla <br /> All eztecio "valis arx9• r� -'� ".T7. <br /> ceiling mus �ave ya„vapor�bareriet..(O_10j perm.max. <br /> vapor barrier must be'dci''tie inside (tieted ei'c3e'):=o <br /> ' f crap _ <br /> Vapor bariers of the polyethelene -thin fiLn have no R value_ <br />