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� <br /> � <br /> _ HANNAFORD RESIDENCE TOTAL INSTALLED R-VALUE CALCULATION <br /> Exterior Wall R value/inch thickness:inch total R value notes 2015 MN Energy Code min.R Value <br /> 1 BRICK 0.2 4.25 0.85 <br /> 2 1"air space 1 1 1 <br /> 3 mineral wool board 4.2 1 4.2 R value total:6.05 5 <br /> 4 weather barrier 0.17 1 0.17 <br /> 5 exterior sheathing 0.56 1 0.56 5/8"thick <br /> 6 closed cell spray insul. 6.5 3 19.5 13 <br /> 7 5/8"GYP BD 0.56 1 0.56 5/8"thick <br /> total 26.84 <br /> below entire slab @ garege R value/inch thickness:inch total R value <br /> 1 concrete slab 0.11 6 0.66 .• , - � e ; <br /> 2 polyiso below grade 6.5 2 13 � � - <br /> total 13.66 10 <br /> below entire slab @ crawl space R value/inch thickness:inch total R value <br /> 1 concrete slab 0.11 3 0.33 <br /> 2 polyiso below grade 6.5 2 13 <br /> total 1333 10 <br /> foundation wall R value/inch thickness:inch total R value <br /> 1 concrete grade beam 0.11 12 1.32 <br /> 2 poly iso rigid board 6.5 2.5 16.25 <br /> total 17.57 15 <br /> rim joist�foundation/1st floor&2nd floor R value/inch thickness:inch total R value <br /> 1 concrete 0.11 4.25 0.4675 <br /> 2 1"Air space 1 1 1 <br /> 3 minerel wool board 4.2 1 4.2 R value total:5.7 5 <br /> 4 weather barrier O.11 1 O.11 <br /> 5 ezterior sheathing 0.56 1 0.56 5/8"thick <br /> 6 closed cell sproy insul. 6.5 3 19.5 13 <br /> 7 5/8"GYP BD 0.56 1 0.56 5/8"thick <br /> � total 26.4575 <br /> ceiling/flat R value/inch thickness:inch total R value <br /> 1 closed cell sprey insul. 6.5 6 39 <br /> z slopped poly iso rigid insul board(average <br /> thickness) 6.5 2.25 14.625 <br /> total 53.625 49 <br /> ceiling�wntilevered areas R vatue/inch thickness:inch total R value <br /> 1 closed cell spray insul. 6.5 6 39 <br /> total 39 1g <br />