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,.� <br /> ' , •- <br /> CONSTRUCTION R VALUC <br /> CEILING SECTION (INSULATED) : <br /> 1 Interior air film O.61 <br /> 2 5/8" Gypsum Board 0,56 <br /> 3 12" Bart Tnsula�tin 38.00 <br /> 4 Exterior air flim still) O.A1 <br /> TOTAL R =39.78U ,�� 1�., U - UR - .025 <br /> *144.0000100,.....on..issio'....--......... <br /> 1.1./1.//.1 ,1��. .l CEILING FRAMING SECTION: <br /> O © © 1 Interior air film 0.61 <br /> 2 5/8" Gypsum Board 0.56 <br /> AIR VENTED 3 9" Batt Tns.fll.attorl . 0 <br /> FLOW 4 Interior air film (still) 3(0):27 <br /> 0 <br /> 0.61 <br /> 5 3 1 /2” inches soft wood 4.35 <br /> TOTAL R -36.13 <br /> ' U = 1/R = .027 <br /> • <br /> • CEILING SECTION (INSULATED) : <br /> i 1' Interior air film 0.61 <br /> 1 /, 2 <br /> 3 <br /> SiG 4 Exterior air film (still) OMTOTAL R = <br /> li <br /> M / V \' <br /> jet 1 U a 1/R = <br /> 1 <br /> • <br /> 0 0 0 0 0 CEILING FRAMING SECTION: <br /> 1. Interior air film 0.61 <br /> VENTED 2 <br /> • 3 <br /> 4 Exterior air film (still) O.61 <br /> 5 Inches soft wood <br /> TOTAL R = <br /> U = 1/R = <br /> © O © ' <br /> .4:0 al. <br /> . .47;0016' <br /> �. '; 1 ,Inside air film n.61 <br /> 4 <br /> x5' O © '' Outside air film _n. 17 <br /> /// TOTAL R ..�/ i, U - 1/R - <br /> Pane_4 <br />