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<br />98 WINTER OVERHANG FACTORS (WOF)
<br />
<br />WINTER POINT MULTIPLIERS (WPM)
<br />
<br />t
<br />
<br />CLIMATE ZONES 4 5 6
<br />
<br />~ OH RATIO 1.0 .11 I ,12 .17 T .18 .26 .27 .35 r .36 .46 .47 .57 ,58 .70 .71 .83 .84 1.18 1.19 1.72 1.73 2.73 2.74+
<br />, SINGLE PANE GLASS
<br />, N lO 1,03 1,05 ,1.08 1.10 1.13 1.15 1.18 1.20 "1.24 l29 1.34
<br />,
<br />, NElNW lO l07 1.10 1.15 l20 l25 1.30 1.35 1.39 '1.50 1,59 l67
<br />,
<br />, E/W 1,0 .71 ,57 ,19 -,20 -.65 -l05 -l48 -2.03 -3.01 -4.06 -5,04
<br />, .80 .68 ,54 .39 .22 .05 -.33 -.71 -l01
<br />>-, SElSW lO .93 .90
<br />CJ:l, S 1.0 .95 .92 .83 .70 .54 .36 .13 -.13 -.70 -.98 -1,nQ
<br />1-0::
<br />~o DOUBLE PANE GLASS
<br />u::jl
<br />(/), N lO l05 1.07 1.11 1.14 1.18 l21 l24 l28 l34 1.40 l47
<br />, 1,24 1.32 1.41 1.48 l56 1,63 l80 194 2.08
<br />I NElNW 1.0 1.11 1.16
<br />, E/W lO ,88 ,82 ,66 ,50 .31 ,15 -,03 -.26 -,66 -1.10 -l50
<br />I
<br />, SElSW lO .95 .92 .85 .76 .65 .54 .41 .28 -.01 -.30 -.52
<br />I -.30 -,51 -,60
<br />, S lO .96 .94 .87 .78 .65 .51 .33 .13
<br />.. OH LENGTH' o It. 1 It. 1V2 It. 2 It. 3 It. 3V2 It 4112 ft 5V2 It 6112 It 91h 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 />r~L
<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 53 9.4 6.7
<br />7 - 10.9 2.5 2.1 4.4 3.3
<br />11 -12.9 2.0 1.8 33 2.6
<br />13 - 18.9 1.8 1.6 30 2.4
<br />19 - 25.9 1.1 1.0 2.6 2.2
<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 7.6 5.9
<br />INSULATED 5.1 4.0
<br />
<br />9F FLOOR WINTER POINT MULTIPLIERS (WPM)
<br />
<br />
<br />01
<br />
<br />CONCRETE BLOCK'
<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 28
<br />29 1.9 2.0
<br />2.3 1.5 1.5
<br />1.18
<br />.7
<br />.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 1.7
<br />19 - 259 1.0
<br />26 & Up 6
<br />R.YALUE 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 />LOG
<br />6 INCH
<br />R.YAJ;UE
<br />0-2.9
<br />3 - 6.9
<br />7 & Up
<br />8 INCH
<br />R.YALUE
<br />0-29
<br />3 - 6.9
<br />7& Up
<br />
<br />EXT
<br />2.2
<br />1.2
<br />.9
<br />
<br />EXT
<br />12
<br />.9
<br />.7
<br />
<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 10-109 1.8
<br />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 />
<br />
<br />CONCRETE DECK ROOF
<br />CEILING TYPE
<br />DROPPED EXPOSED
<br />1.2 1.3
<br />.7 ,7
<br />,4 .3
<br />'?~~It>. '%: S~i::i#:fii;ji.
<br />
<br />SLAB.ON.GRADE RAISED RAISED WOOD'
<br />EDGE INSULATION CONCRETE POST OR PIER I STEM WALL WI UNDER
<br />R-VALUE WPM R-VALUE WPM CONSTRUCTION FLOOR INSULATION ADJACENT
<br />R.YALUE WPM r WPM WPM
<br />0-2.9 2.5 0-2,9 4,0 0- 69 7.9 .'~~TIl;%y.1M:nHiK% 5,3
<br />3 - 4.9 1.7 3 - 4.9 1.8 7 - 10.9 2.1 I .7 21
<br />5 - 6,9 - 2.4 5 - 6.9 1.1 11 -18.9 1.5 I .S 1.8
<br />7 & Un - 2,7 7 & Un .8 19 & Up .9 I J 1.0
<br />
<br />9G INFILTRATION WINTER POINT MULTIPLIERS (WPM) 9H DUCT MULTIPLIERS (OM)
<br />
<br />INFIL TRA TION PRACTICE WPM
<br />(See Table 9P)
<br />PRACTICE # 1 6,2
<br />PRACTICE # 2 4,1
<br />PRACTICE # 3 2.2
<br />
<br />R-VALUE With Return W/O Return
<br />Air Duct Air Duct
<br />4.2 - 4.9 1.14 1.10
<br />5,0 - 6.6 1,12 1,08
<br />6.7 & Uo 1,09 1.06
<br />DUCTS IN CONDITIONED SPACE 1.00 1,00
<br />
<br />, For multipliers for other types of concrete block construction see section 903.2 (b)
<br />2For multipliers for other types of raised wood assemblies see section 903.2 (e) 1
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<br />-5-
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