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Washington State <br />Energy Code <br />1905 Edition <br />'rAH1.E 10-4c <br />TRANSMISSION COEFFICIENTS (11) FOR WOOL) AND S-I'EEI. DOORS <br />Bt,jIheH2•F <br />Nomirul <br />Dtt riplion <br />No <br />Wood <br />bleld <br />Ikar <br />Storm <br />Storm <br />Storm <br />Thickrts&s, <br />Door <br />Iloor'c <br />Doord <br />Inckho <br />Wood <br />I)Wmb <br />1-3/8 <br />panel door with 7/16 inch els° <br />0.57 <br />0.73 <br />0.37 <br />1-3/8 <br />Hollow, tort flush dror __ <br />0.47 <br />OJO <br />0.32 <br />_ <br />1-3/8 <br />Solid core flush door <br />0.39 <br />0.26 <br />0.28 <br />1-3/4 <br />Panel door with 7/16 inch namnist <br />0.57 <br />0.33 <br />0.36 <br />1-3/4 <br />Hollow core flush door <br />01,46 <br />..29 <br />0.32 <br />1-3/4 <br />Panel door with 3l4 Inch else <br />0.40 <br />0.27 <br />0.29 <br />1-3/4 <br />Pant l door with 1-1/8 inch Mnelie <br />0.39 <br />0.26 <br />0.29 <br />0.29 <br />0.25 <br />2-1/4 <br />Solid core flush door <br />0.77 <br />0.20 _ <br />0.21 <br />Steel <br />Doorsb <br />1-3/4 <br />_ <br />Fiberglass or mineral wool cart w/ steel stiffenels, <br />0.60 <br />--- <br />-- <br />no the hntakf <br />- <br />1-3/4 <br />_ <br />Pa cr hone comb core without thermal breakr <br />0.56 <br />- <br />1.314 <br />Solid urethane faam cote without thermal b a <br />0.40 <br />-- <br />1-3/4 <br />Solid fire rated mineral fiberboard tow <br />0.38 <br />•-- <br />- <br />without thermal breakr <br />1.3/4 <br />Polystyrene core without thermal break <br />0.35 <br />-- <br />- <br />18 c commercial sleet f <br />_ <br />_ <br />1-3/4 <br />Polyurethane core without thermal break <br />0.29 <br />1(8 RaRe commercial sled f <br />1 314 <br />Polyurehanc core without thermal break <br />0.29 <br />•-- <br />--- <br />4 e commercial sttcl f <br />1.3/4 <br />core w/ thermal bk A wad penmcmr <br />Polyurethane rr� <br />0.20 <br />-- <br />-- <br />4 e commercial stecllf <br />1 -3/4 <br />1 Solid urethane foam core with thtrmal break <br />0.19 <br />O.Ifi <br />0.1T <br />Now: All U.vah,es for exterior doors in this table are for doors with no gluing, except for the storm doo: <br />which are in addition to the main extenor door. Any gluing area in exterior doors should be included with <br />the appropriate glass type and analyzed. Interpolation and moderate extrapolation art permitted for door <br />thicknesses other than those spccifiel. <br />a vdue are based on a nominal 32 by 80 in. door sire with :o glaring. <br />b Outside air conditions: 15 mph wind speed, O*F air temperature; inside air conditions: natural <br />convation, 70 F air temperature. <br />c Values for wood storm door are for approximately 50% glass area. <br />d values for metal storm door are for any n .,.:nt glass aria. <br />e 55 % panel area. <br />f ASTM C 236 hotbox dam on a nominal 3 by 7 ft door size with no glazing. <br />11e U-values in Table 6C are for exterior wood and steel doom. The values given for wood doom were <br />calculated, and thou for steel doors were taken from hotbox uesu (Sabine el al. 1975: Yellot 1965) or from <br />ounufacluru's tel reprsrss. An outdoor surface conductance of 6.0 0tu/h•f12• °p was used, and the indoor <br />surface mnducunce was taken as 1.4 Otu/h•fl2••F for vertical surfaces wish horimnul heat flow. All value <br />given art for exterior doors without gluingif an exterior door contains gluing, mfrr to Table 10.61). <br />92 <br />