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<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 1)27 .35 I .36 .46 .47 .57 .58 . 70......r. 71 .83 .~. 1.18 1.19 1.72 I 1.73 2.73 2.74+ <br />. -==c. SINGLE PANE GLASS - <br />I N 1.0 1.03 1.05 <br />. .1.08 1.10 1.13 1.15 1.18 1.20 1.24 1.29 1.34 <br />. NE/NW 1.0 1.07 1.10 1.15 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 -406 -5.04 <br />. <br />>-. SE/SW 1.0 .93 .90 .80 .68 .54 .39 .22 .05 -.33 -.71 1.01 <br />co. S 1.0 ,95 .92 .83 .70 .54 .36 .13 -.13 -.70 -.98 .10Q <br />~~ DOUBLE PANE GLASS <br />u:JI <br />(/). N 1.0 1.05 1.07 1.11 1.14 1.18 1.21 1.24 1.28 1.34 1.40 147 <br />. <br />. NE/NW 1.0 1.11 1.16 1.24 1.32 1.41 148 1.56 1.63 1.80 1.94 2.08 <br />. E/W 1.0 .88 .82 .66 .50 .31 .15 -.03 -.26 -.66 -1.10 -1.50 <br />. <br />. SE/SW 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' o It. 1 ft. 1112 It. 2 It. 3 ft. 3112 ft. 4112 It 5112 ft. 6112 It. 9112 ft. 14 ft. 20 ft.+ <br /> * To select by Overhang Length. no part 01 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 />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. O. 6.9 7.0 6 INCH <br />O. 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 3.3 O. 2.9 6.0 3.1 6.0 11.18.9 1.7 0.2.9 2.2 <br />11.129 2.0 18 3.3 2.6 3. 4.9 3.8 2.3 2.8 19.25.9 1.0 3.6.9 1.2 <br />13.18.9 1.8 1.6 3.0 2.4 5. 6.9 2.9 1.9 2.0 26 & Up .6 7& Uo .9 <br />19.25.9 1.1 1.0 2.6 2.2 7.10.9 2.3 1.5 1.5 R,YALUE BLOCK 8 INCH <br />26 & Uo .7 .7 1.4 1.2 11.18.9 l5~ 0.2.9 3.7 R.YALUE EXT <br /> 19 - 25.9 8 .7 3.6.9 2.6 0.2.9 1.2 <br /> 26 & Up .5 .5 7.9.9 1.8 3.6.9 .9 <br /> . &~l 7fiWIDlM4S \ . A'tNl\t:: 10 & Up 1.3 7 & Up .7 <br /> <br />90 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-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 RAISE D WOOD" <br />EDGE INSULATION CONCRETE POST OR PIER STEM WALL WI UNDER I <br /> WPM CONSTRUCTION FLOOR INSULATION ADJACENT <br />R.VALUE WPM R-VALUE R,YALUE WPM 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 21 <br />5 - 6,9 - 2,4 5 - 6,9 1,1 11.18.9 1.5 I .5 I 1.8 <br />7 & Un 2.7 7 & Un .8 19 & IJD .9 I .3 I 1.0 <br /> <br />9G 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 />