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<br />WINTER POINT MULTIPLIERS (WPM) <br /> <br />98 WINTER OVERHANG FACTORS (WOF) <br /> <br />CLIMATE ZONES 456 <br /> <br />~ OH RATIO 1_0-_11 .12-.17 I ,18-,26 .27 -.35 .36- .46 .47-,57 58-,70 .71-.83 ,84- 1.18 1.19-1.72 1.73-2.73 T 2.74+ <br />1 SINGLE PANE GLASS <br />1 N 1.0 103 1.05 .1.08 1.10 1.13 1.15 118 1.20 1.24 <br />1 1.29 1.34 <br />1 NElNW 1,0 1.07 110 115 1.20 1.25 1.30 1.35 1.39 1.50 1.59 1.67 <br />. <br />. E/W 1.0 .71 .57 _19 -.20 -_65 -1.05 -1.48 -2_03 -3.01 -4_06 -5_04 <br />. <br />::-. SElSW 1.0 .93 ,90 _80 _68 ,54 .39 ,22 _05 -.33 -.71 -1.01 <br /><:01 S 1.0 .95 .92 _83 .70 _54 .36 .13 -,13 -.70 -_98 -1 nQ <br />t--a: <br />~o DOUBLE PANE GLASS <br />u:J1 <br />(/)1 N 1.0 1.05 1.07 111 114 118 1.21 1.24 1.28 1.34 1.40 1.47 <br />I <br />. NElNW 1.0 111 116 1.24 1.32 1.41 1.48 1.56 1.63 1.80 1.94 2,08 <br />. ElW 10 .88 _82 _66 ,50 _31 _15 -_03 -,26 -.66 -110 -1.50 <br />. <br />. SElSW 1.0 .95 _92 ,85 ,76 _65 .54 .41 .28 -,01 -,30 -,52 <br />. <br />. S 1.0 .96 .94 _87 .78 .65 .51 .33 ,13 -,30 -_51 -.60 <br />.. OH LENGTH' 011. 1 It 11h It 2 It 3 It 31h ft 41h It 51h It 61h It, 91h ft 14 It 2011.+ <br /> . To select by Overhang Length, no part of glass shall be more than 8 It below the overhang <br /> <br />OVERHANG RATIO = <br /> <br /> <br />OH LENGTH <br />OH HEIGHT <br /> <br />r~L <br /> <br />H <br /> <br />J <br /> <br />9C WALL WINTER POINT MULTIPLIERS (WPM) <br />FRAME <br /> <br /> WOOD STEEL <br />R.YALUE EXT ADJ EXT ADJ <br />0- 6.9 6.8 5.3 9.4 6.7 <br />7 - 109 2.5 21 4.4 33 <br />11 -12.9 20 18 3.3 26 <br />13 -18.9 1.8 16 3.0 2.4 <br />19.259 11 10 2.6 22 <br />26 & U .7 .7 14 12 <br /> <br />90 DOOR WINTER POINT MULTIPLIERS (WPM) <br /> <br /> DOOR TYPE EXTERIOR ADJACENT <br /> WOOD 7.6 5.9 <br />I INSULATED 5.1 40 <br /> <br />9F FLOOR WINTER POINT MULTIPLIERS (WPM) <br /> <br /> <br />01 <br /> <br />CONCRETE BLOCK1 <br />INT. INSULATION EXT.INSUL. <br />NORMAL WT. NOR. WT. <br />EXT ADJ EXT <br />6_0 3.1 60 <br />3.8 2.3 28 <br />2.9 19 2.0 <br />23 1.5 15 <br />15 11 .8 <br />_8 .7 <br />.5 .5 <br /> <br />FACE BRICK <br />R.YALUE WOOD FR <br />O. 6_9 7.0 <br />7 . 10_9 21 <br />11 .18_9 1.7 <br />19 . 25_9 10 <br />26 & Up .6 <br />R.YA E BLOCK <br />o - 2_9 3.7 <br />3 . 6,9 2.6 <br />7 ' 9_9 18 <br />10 & U 13 <br /> <br /> <br />LOG <br />6 INCH <br />R.YALUE <br />0-2.9 <br />3.6.9 <br />7 & U <br />8 INCH <br />R.YALUE <br />0.2.9 <br />3.69 <br />7 & Up <br /> <br />EXT <br />2.2 <br />12 <br />.9 <br /> <br />EXT <br />12 <br />9 <br />.7 <br /> <br /> <br />9E CEILING WINTER POINT MULTIPLIERS (WPM) <br /> <br />UNDER ATTIC SINGLE ASSEMBLY <br />R-VALUE WPM R-VALUE WPM. <br />19,21_9 1.0 10-10.9 1,8 <br />22.25_9 .9 11,12_9 1.6 <br />26 - 29.9 .7 13.18_9 1.5 <br />30,37,9 .6 19-25,9 1,1 <br />38 & U .4 26 & U ,6 <br /> <br />CONCRETE DECK ROOF <br />CEILING TYPE <br />DROPPED EXPOSED <br />1.2 1.3 <br />.7 .7 <br />,4 .3 <br /> <br /> <br />SLAB-ON.GRADE RAISED RAISED WOOD' <br />EDGE INSULATION CONCRETE POST OR PIER I STEM WALL WI UNDER I <br />R.VALUE WPM R.VALUE WPM CONSTRUCTION FLOOR INSULATION ADJACENT <br />R.YALUE WPM I wpM I WPM <br />0.2.9 2.5 0.2.9 4.0 0- 6.9 7.9 --- 5.3 <br />~.4.9 1.7 ::1.4.9 1.8 7.10,9 2.1 I ,7 , 2,1 <br />5.6.9 2.4 5.6.9 1.1 11 ,18.9 15 I .5 I 18 <br />7 & Un - 2.7 711. Uo .8 19 & Uo .9 I 3 T 10 <br /> <br />9G INFilTRATION WINTER POINT MULTIPLIERS (WPM) <br /> <br />INFIL TRA TION PRACTIC'E WPM <br />(See Table 9P) <br />PRACTICE # 1 6.2 <br />PRACTICE # 2 4.1 <br />PRACTICE # 3 2.2 <br /> <br />9H DUCT MULTIPLIERS (OM) <br /> <br /> Return Ducts Return Ducts <br /> R,Value In Unconditioned Space In Conditioned Space <br />Supply 4.2-5.9 1.14 1.10 <br />Ducts in 6.0-6.6 1.10 1.07 <br />Unconditioned Space 6.7 & up 1.09 1.06 <br />Supply 4.2-5.9 1.10 1.00 <br />Ducts in 6.0-6.6 1.07 1.00 <br />Conditioned Space3 6.7 & up 1.06 1.00 <br /> <br />1 For multipliers for other types of concrete block construction see section 903.2(b). <br />2 For multipliers for other types of raised wood assemblies see section 903.2 (e) 1. <br />3 Ducts in conditioned space need to be insulated only to the R-Value necessary to prevent condensation. <br />-5. <br />