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• <br /> R402.2.8 BASEMENT WALLS __ T. <br /> Below-grade exterior wall insulation used on the exterior(cold)side of the wall shall 1 -lc -?ti <br /> extend from the top of the below-grade wall to the top of the footing and shall be a - i <br /> approved for below-grade use.Above-grade insulation shall be protected.Insulation :., - , <br /> used on the interior(warm)side of the wall shall extend from the top of the below- F "" ' <br /> grade wall to the below-grade floor level and shall include R-5 rigid board providing a s <br /> thermal break between the concrete wall and the slab. a ) <br /> '= <br /> Floor joist - <br /> � <br /> Exterior siding � al <br /> , ‘'t-'--— ,-piy.voodor “trywall fire bloci k ..w. <br /> \‘_,_ l 10'concrete .M} 7,r' <br /> Exteriorgrado varies -..-._-- a foundation wall p " <br /> l —3 14'cavity insulation _ - <br /> 1 (R-15) I '� _ <br /> p n <br /> —1'polyisocyanurata r.(�•, 1 - P" <br /> I rigid insulation(R-6.5) ' <br /> is _r:an�Ju� '-r_or-rr 2^td_a.,v�t:a_-scrrRly.k 3banappl�ed Over h 5raam_ <br /> „_� Ibis is eq divalent to an K-L1 wall. <br /> 2x4 stud wall = Do riatinstal:vapor retarders in treflow•grade walls <br /> 1 2012 International Rncidential Cndw <br /> 'i — 1/2'gypsum board interior I R702.7 Vapor retarders.Class I <br /> a or II vapor retarders are required <br /> " 2x4 treated bottom plata nn the interior Girls.of frame <br /> H <br /> /( i <br /> R/-� Sill saabr-oxtand unefor 1!, i walls in Climate Zones 5,G,7,6 �! <br /> and Marine4. r' <br /> • rigid insulation I r ' <br /> ! Exceptions: ■1. <br /> a 1. I3aserrsent walls. <br /> L/ • Z. Below grade portion of any \`I. \, <br /> wall. ,,`\` <br /> 3. Construction where � . <br /> moisture or its treezing will N <br /> not damage the materials. <br /> dice Zr,pntnntlne mnrt1tere Ornlh/eo <br /> . LIIs <br />