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EXTERIOR ENVELOPE AVERAGE "U" COMPUTATION <br /> by <br /> LUNDGREN BROS. REMODELING <br /> 825 E. Wayzata Blvd. <br /> Wayzata, MN 55391 <br /> 473-9640 <br /> Owner: Phone: <br /> Address: Zsa /2-"'`� Date• Nov. 1 ,1994 <br /> DETERMINE WORKING SQUARE FOOTAGE OF EACH: <br /> 1 TOTAL EXPOSED WALL AREA. . . . 4095 . 15 sq ft x "U" 0.11 = 450 . 47 <br /> 2 TOTAL ROOF/CEILING AREA. . . . 4203 . 00 sq ft x "U" 0. 024 109 . 28 <br /> 3 TOTAL EXPOSED WALL AREA CALCULATIONS: <br /> Total exposed wall <br /> area above floor. . . . . 3664 . 40 sq ft <br /> a) Total wall window area: <br /> glazed. . . 705 . 43 sq ft x "U" 0 . 310 = 218 .68 <br /> glazed. . . sq ft x "U" = 0 .00 <br /> b) Total door area. . . . . . 24 . 00 sq ft x "U" 0.134 = 3 . 22 <br /> c) Total sliding glass door area: <br /> glazed. . . 256 . 70 sq ft x "U" 0. 310 = 79 .58 <br /> glazed. . . sq ft x "U" = 0. 00 <br /> d) Total F.P. wall area. sq ft x "U" = 0 .00 <br /> e) Total wall framing <br /> area (average 10%) . 267 . 83 sq ft x "U" 0. 090 = 24 . 10 <br /> f) Total net wall area above <br /> floor (insulated) . . 2410 .44 sq ft x "U" 0. 040 = 96 . 42 <br /> g) Total rim joist area. 323 . 50 sq ft x "U" 0.040 = 12 .94 <br /> Total foundation <br /> area (exposed) . . . . . 107 . 25 sq ft <br /> h) Total foundation <br /> window area. . . . . . . . sq ft x "U" = 0 .00 <br /> i) Total net foundation <br /> area above grade. . . 107 . 25 sq ft x "U" 0 . 044 = 4 . 72 <br /> #3 TOTAL a) thru i) = 439 . 66 <br />