Laserfiche WebLink
CG1LiNG. W1'iU VI:N'11iD A'ITLC St'AC k AIV)VI: <br /> R VALUE R VALUE <br /> FRAMING CEILING <br /> 0.61 Air Film 0.61 <br /> 36_00 Insulation 44.00 <br /> 4.38 Joist <br /> .56 Ceiling .56 <br /> / <br /> � 0.61 Air Film 0.61, <br /> 41.55 Total R '45.78 <br /> .024 U = 1 .021 R <br /> CATHEDRAL CEILING <br /> R VALUE R VALUE <br /> FRAMING CEILING <br /> 0.61 Inside air film 0.61 <br /> .56 Ceiling .56 <br /> — 14_375 Joist(Spacer) <br /> Insulation 33.85 <br /> -- Air 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 Total R 36.86 <br /> .059 1 -= U .027 <br /> R -- <br /> Window infiltration .5 cfm/lineal foot of crack <br /> Residential door infiltration O_5 cfm/square foot or door and minimum code requirement <br /> Non-residential door infiltration 11.0 cfm/lineal foot of crack <br /> Ub 12" concrete block no insulation = .781 R 1.28 <br /> double glass = .52 <br /> triple glass = .31 <br /> All exterior walls and ceilings must have a vapor barrier (0.10) perm max•) . <br /> Vapor barrier must be on the inside (heated side) of wall. <br /> vapor bariers of the polyethelene thin film have no R value. <br />