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[ewellen Associates, [[C <br /> 3642 Smugglers Cove Road, Greenbank, WA 98253 206-915-8281 <br /> U-FACTOR CALCULATION <br /> Project: ZAP Energy Tenant Improvement <br /> Element: Ceiling Type'E'between conditioned and unconditioned space <br /> Date: October 25,2022 <br /> Construction Detail:Type E/A2.2 <br /> Mk R-25 CONT.MOW II LLATICN <br /> w GOVEf700AR12 <br /> • -014 WW1 WWII--- <br /> R25 above <br /> Description: <br /> MEMR25 ClC ab metal joist <br /> = --- framing. Fiberglass cavity <br /> 5/0.,,Rx insulation in framing cavity <br /> OM <br /> RLG BATT INSULAT1GN avg 12"framing depth R38 <br /> uncompressed <br /> moo Tree F <br /> CEILi 90 •' "ALE, 4• 1-O <br /> Material Layer R Factor Source <br /> Outdoor air film 0.17 2018 WSEC Table 101.5 <br /> Continuous rigid insulation 25.0 Extruded polystyrene <br /> Metal joist/R38 cavity 14.0 2018 WSEC Table A103.3.6.2 <br /> • 5/8"GWB Interior air film .61 2018 WSEC Table 101.5 <br /> 0.61 2018 WSEC Table 101.5 <br /> Total R Factor 39.78 <br /> U Factor(1/R) 0.025 <br /> Page 11 / Li <br />