Laserfiche WebLink
<br />WINTER POINT MULTIPLIERS (WPM) <br /> <br />98 WINTER OVERHANG FACTORS (WOF) <br /> <br />CLIMATE ZONES 4 5 6 <br /> <br />~ OH RATIO .0 .11 I .12 .17 .18 .26 .27 .351 .36 .46 .47 .57 .58 .70 1.71 .83 .84 1.18 1.19 1.72 I 1.73 2.73 2.74+ <br />1 SINGLE PANE GLASS <br />1 N 1.03 1.13 1.20 1.24 <br />1 1.0 1.05 .108 1.10 1.15 1.18 129 1.34 <br />1 NE/NW 10 107 1.10 1.15 120 125 130 1.35 139 150 159 1.67 <br />1 <br />1 E/W 10 .71 .57 .19 -.20 -.65 -1.05 -148 -2.03 -3.01 -4.06 -5.04 <br />1 <br />>-1 SE/SW 1.0 .93 .90 .80 .68 .54 .39 .22 .05 -.33 -.71 -1.01 <br /><CII S 1.0 .95 .92 .83 .70 .54 .36 .13 -.13 -.70 -.98 -111Q <br />1-0:: <br />~Cl DOUBLE PANE GLASS <br />u:ll <br />(/)1 N 1.0 1.05 1.07 1.11 1.14 1.18 121 124 1.28 1.34 1.40 1.47 <br />I <br />1 NE/NW 1.0 1.11 1.16 1.24 1.32 1.41 1.48 156 1.63 1.80 194 2.08 <br />1 E/W 10 .88 .82 .66 .50 .31 .15 -.03 -.26 -.66 -110 -150 <br />I <br />1 SE/SW 10 .95 .92 .85 .76 .65 .54 .41 .28 -.01 -.30 -.52 <br />1 <br />I S 1.0 .96 .94 .87 .78 .65 .51 .33 .13 -.30 -.51 -.60 <br />~ OH LENGTH' Oft. 1 ft. 1V2 It. 2 It. 3 It. 3Y2 It. 4112 It 5112 It. 6Y2 It. 9112 It. 14 It. 20 It. + <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~L <br /> <br />H <br /> <br />J <br /> <br />9C WALL WINTER POINT MULTIPLIERS (WPM) <br /> <br /> <br /> <br />01 <br /> <br /> FRAME CONCRETE BLOCK' FACE BRICK <br /> WOOD STEEL INT. INSULATION EXT. INSUL. R.YALUE WOOD FR LOG <br />R.YALUE EXT ADJ EXT ADJ NORMAL WT. NOR. WT. 0- 6.9 7.0 6 INCH <br />0- 6.9 6.8 5.3 9.4 6.7 R.YALUE EXT ADJ EXT 7 -10.9 2.1 R.YALUE EXT <br />7 -10.9 2.5 2.1 4.4 33 0- 2.9 6.0 31 6.0 11.18.9 1.7 0.2.9 22 <br />11.12.9 2.0 1.8 3.3 2.6 3 - 4.9 3.8 2.3 2.8 19 - 25.9 10 3.6.9 12 <br />13 -18.9 1.8 1.6 3.0 2.4 5 - 69 2.9 19 2.0 26 & Up .6 7 & Up .9 <br />19 - 25.9 1.1 10 2.6 2.2 7 -10.9 2.3 15 15 R.YALUE BLOCK 8 INCH <br />26 & Uo .7 .7 1.4 1.2 11.18.9 1.5 ~ 0-2.9 3.7 R.YALUE EXT <br /> 19 - 25.9 .8 .7 3 - 6.9 2.6 0.2.9 12 <br /> 26 & Up .5 .5 7 - 9.9 1.8 3 - 6.9 .9 <br /> '.~:[~f~4~U"ft%~ ~t.:f.@@~~f:~i:~l~ 10 & Up 13 7 & Up .7 <br /> <br />9D DOOR WINTER POINT MULTIPLIERS (WPM) <br /> <br />DOOR TYPE EXTERIOR ADJACENT <br />WOOD 7.6 5.9 <br />INSULATED 5.1 4.0 <br /> <br />9F FLOOR WINTER POINT MULTIPLIERS (WPM) <br /> <br />9E CEILING WINTER POINT MULTIPLIERS (WPM) <br />UNDER ATTIC SINGLE ASSEMBLY <br />R.YALUE 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 />EDGEINSUL TION CONCRETE POST OR PIER I STEM WALL WI UNDER I <br />R.VALUE WPM R-VALUE WPM CONSTRUCTION FLOOR INSULATION ADJACENT <br />R.YAWE WPM I WPM I WPM <br />0.2.9 2.5 0-2.9 4.0 O. 6.9 7.9 5.3 <br />3 - 4.9 1.7 3.4.9 1.8 7 -10.9 2.1 I .7 I 2.1 <br />5 - 6.9 - 2.4 5 - 6.9 1.1 11 .18.9 1.5 I .5 I 18 <br />7 II. tin - 2.7 7R. Uo .8 19 & Up .9 I .3 I 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 Space' 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 />, Ducts in conditioned space need to be insulated only to the R-Value necessary to prevent condensation. <br />-5 - <br />