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<br />WINTER POINT MULTIPLIERS (WPM) <br /> <br />9B WINTER OVERHANG FACTORS (WOF) (:-- CLIMATE ZO~ <br />~ OH RATIO .0 .11 I .12 .17 I .18 .26 .27 .35( ....36 .46 }.47 .57 1.58 .70 .71 .83 .84 1.18 1 Jq- 1.72 Y 1.73 2.73 \.2.74~ <br />1 -SINGLE PANE GLASS <br />I N lO l03 1.05 .108 1.10 l13 1.15 1.18 l20 1.24 1.29 l34 <br />1 <br />1 NElNW 1.0 1.07 1.10 1.15 l20 1.25 1.30 1.35 1.39 l50 1.59 l67 <br />1 <br />1 ElW 1.0 .71 .57 .19 -.20 -.65 -l05 -1.48 -2.03 -3.01 -406 -5.04 <br />1 WSW .54 .22 .05 -.33 -.71 -1.01 <br />>-1 1.0 .93 .90 .80 .68 .39 <br />enl S 1.0 .95 .92 .83 .70 .54 .36 .13 -.13 -.70 -.98 -l09 <br />>-0:: <br />~o DOUBLE PANE GLASS <br />u:J1 <br />(/)1 N lO l05 l07 1.11 1.14 1.18 l21 l24 l28 l34 1.40 147 <br />1 <br />1 NElNW lO 1.11 1.16 l24 l32 141 1.48 1.56 l63 l80 1.94 2.08 <br />1 E/W 1.0 .88 .82 .66 .50 .31 .15 -.03 -.26 -.66 -l10 -l50 <br />1 <br />1 SElSW 1.0 .95 .92 .85 .76 .65 .54 .41 .28 -01 -.30 -.52 <br />1 <br />1 S lO .96 .94 .87 .78 .65 .51 :33 .13 -.30 -.51 -.60 <br />. OH LENGTH' o It. 1 It. 1Y2 ft. 2 It. 3 It. 31f2 It. 4Y2 ft 51f2 ft. 6Y2 It. 9% It. 14 ft. 20ft.+ <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 />I k-L <br /> <br />H <br /> <br />J <br /> <br />. 9C WAll WINTER POINT MULTIPLIERS (WPM) <br />FRAME <br /> <br />WOOD <br />EXT <br />68 <br />25 <br />2.0 <br /> <br />STEEL <br />EXT ADJ <br />9.4 6.7 <br />4.4 33 <br />3.3 26 <br />3.0 2.4 <br />2.6 22 <br />1.4 1.2 <br /> <br /> <br />ADJ <br />5.3 <br />2.1 <br />1.8 <br />1.6 <br />1.0 <br />.7 <br /> <br />90 DOOR WINTER POINT MULTIPLIERS (WPM) <br /> <br />DOOR TYPE EXTERIOR ADJACENT <br />WOOD 76 '~J-) <br />INSULATED Kr..> 4.0 <br />_. <br /> <br /> <br />. <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 6.0 <br />3.8 2.3 2.8 <br />2.9 1.9 20 <br />2.3 1.5 1.5 <br />1.5 1.1 .8 <br />8 .7 <br />5 .5 <br /> <br />FACE BRICK <br />R.YALUE WOOD FR <br />0.. 6.9 7.0 <br />7 - 10.9 2.1 <br />11 -18.9 17 <br />19 . 25.9 1.0 <br />26 & Up .6 <br />R~ALUE BLOCK <br />o . 2.9 3.7 <br />3 - 6.9 2.6 <br />7 - 9.9 1.8 <br />10 & Up 1.3 <br /> <br /> <br />9E CEILING WINTER POINT MULTIPLIERS (WPM) <br /> <br />UNDER ATTIC SINGLE ASSEMBLY <br />R.YAlUE WPM R.VAlUE WPM <br />19 - 21.9 1.0 10 -10.9 l8 <br />22 - 25.9 .9 11 - 12.9 1.6 <br />26.29.9 13 - 18.9 1.5 <br />30 - 37.9 19 - 25.9 1.1 <br />38 & U 2 & U .6 <br /> <br /> <br />LOG <br />61NCH <br />R.YALUE <br />0.2.9 <br />3 - 6.9 <br />7 & Up <br />8 INCH <br />R.YALUE <br />0-2.9 <br />3 - 6.9 <br />7 & Up <br /> <br />EXT <br />2.2 <br />1.2 <br />.9 <br /> <br />EXT <br />1.2 <br />.9 <br />.7 <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 />9F FLOOR WINTER POINT MULTIPLIERS (WPM) <br /> <br />SLAB-ON-GRADE RAISED <br />EDGE INSULATION CONCRETE <br />R.VAlUE R.VAlUE WPM <br />o - 2.9 0 - 2.9 4.0 <br />3 .. 4.9 3 - 4.9 1.8 <br />5 - 6.9 5 - 6.9 1.1 <br />7& 7 U B <br /> <br />9G INFILTRATION WINTER POINT MULTIPLIERS (WPM) <br /> <br />INFilTRATION PRACTIC"E WPM <br />(See Table 9P) <br />PRACTICE # 1 .6...2.- <br />PRACTICE # 2 ( 4.1 .....) <br />PRACTICE # 3 2.2 <br /> <br /> <br />R.YALUE <br />O. 6.9 7.9 <br />7 -10.9 2.1 <br />11 .18.9 1.5 <br />19 & Up .9 <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 C 1.14 "5 1.10 <br />Ducts in 6.0-6.6 T.~ 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 />