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<br />WINTER POINT MULTIPLIERS (WPM) <br /> <br />98 WINTER OVERHANG FACTORS (WOF) <br /> <br />~ <br /> <br />i.------ <br /> <br />CLIMATE ZONES 4 5 6 <br /> <br />.. OH RATIO 1.0 .11 I .12 .17 I .18 .26 .27 - .35 .36- .46 .47-.57 .58 .70 .71 .83 .84 1.18 I 1.19 1.1' 1.73-2.73 I 2.74+ <br />1 SINGLE PANE GLASS <br />I N 1.0 1.03 1.05 .1.08 1.10 1.13 115 1.18 1.20 1.24 1.29 1.34 <br />1 <br />1 NElNW 1.0 1.07 110 1.15 1.20 1.25 1.30 1.35 1.39 1.50 1.59 1.67 <br />1 <br />1 ElW 1.0 .71 .57 .19 -.20 -.65 -1.05 -148 -2.03 -- 3.01 -4.06 -5.04 <br />1 <br />>-1 SElSW 1.0 .93 .90 .80 .68 .54 .39 .22 .05 -.33 -.71 -1.01 <br />ml S 10 .95 92 .83 .70 .54 .36 13 -.13 -.70 -.98 -10<l <br />>-0: <br />t,3o DOUBLE PANE GLASS <br />i:dl <br />(/)1 N 1.0 105 107 111 1.14 118 1.21 1.24 1.28 1.34 1.40 147 <br />1 <br />1 NElNW 10 111 116 124 1.32 1.41 1.48 1.56 163 180 194 2.08 <br />1 E/W 1.0 .B8 .82 .66 .50 .31 .15 -03 -.26 -.66 -110 -150 <br />1 <br />1 SElSW 1.0 .95 .92 .85 .76 .65 .54 .41 .28 -.01 -.30 -.52 <br />1 <br />1 S 1.0 .96 94 .87 .78 .65 .51 .33 .13 -.30 -.51 -.60 <br />~ OH LENGTH' o It. 1 It. 1112 It. 2 It. 3 ft. 3112 It. 4112 ft 5V2 It. 6112 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 />H <br /> <br />.J, <br /> <br />9C WALL WINTER POINT MULTIPLIERS (WPM) <br />FRAME <br /> <br /> WOOD ST EEL <br />R.VALUE EXT ADJ EXT ADJ <br />O. 69 6.8 53 94 67 <br />7 - 10.9 25 21 4.4 3.3 <br />11 .129 20 1.8 33 26 <br />13 - 189 1.8 1.6 30 2.4 <br />19 - 259 1.1 1.0 2.6 22 <br />26 & U 7 .7 1.4 1.2 <br /> <br />90 DOOR WINTER POINT MULTIPLIERS (WPM) <br /> <br />DOOR TYPE EXTERIOR ADJACENT <br />WOOD 76 59 <br />INSULATED 5.1 4.0 <br /> <br />9F FLOOR WINTER POINT MULTIPLIERS (WPM). <br /> <br /> <br />d1 <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 />29 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.VALUE WOOD FR <br />o - 69 7.0 <br />7 - 109 21 <br />11 - 189 1.7 <br />19 - 259 1.0 <br />26 & Up .6 <br />R.VALUE BLOCK <br />o . 29 37 <br />3 - 69 2.6 <br />7.9.9 1.8 <br />10 & Up 1.3 <br /> <br /> <br />LOG <br />6 INCH <br />R.VALUE <br />0-29 <br />3 - 6.9 <br />7 & Up <br />B INCH <br />R.VALUE <br />0.29 <br />3.69 <br />7 & Up <br /> <br />EXT <br />22 <br />1.2 <br />9 <br /> <br />EXT <br />1.2 <br />9 <br />7 <br /> <br /> <br />9E CEILING WINTER POINT MULTIPLIERS (WPM) <br /> <br />R-VALUE <br />10 -10.9 <br />11.12.9 <br />13 - 18.9 <br />19 - 25.9 <br />26 & U <br /> <br />WPM <br />18 <br />1.6 .J <br />1.5 <br />1.1 <br />.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 />UNDER ATTIC <br />R-VALUE WPM <br />19.21.9 1.0 <br />22 - 25.9 .9 <br />26 - 29.9 .7 <br />30 - 37.9 .6 <br />38 & U .4 <br /> <br />SINGLE ASSEMBLY <br /> <br />SLAB-ON-GRADE RAISED RAISED WOOD" <br />EDGE INSULATION CONCRETE POST OR PIER I STEM WALL WI UNDER <br />R-Y ALUE WPM R-YALUE WPM CONSTRUCTION FLOOR INSULATION ADJACENT <br />R.VALUE WPM I WPM WPM <br />0-2.9 2.5 0.2.9 4.0 0- 69 7.9 '.~. ~\~ ":~~::::~W'~f:. 53 <br />3 - 4.9 1.7 3 - 4.9 1.8 7 -109 2.1 I .7 21 <br />5 - 6.9 2.4 5 - 6.9 1.1 11 -189 1.5 I .5 1.8 <br />7 & Un - 2.7 7 & Un .8 19 & Up .9 I .3 1.0 <br /> <br />96 INFILTRATION WINTER POINT MULTIPLIERS (WPM) <br /> <br />INFIL TRA TION PRACTIC~ 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 (DM) <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 />