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<br />"
<br />
<br />WINTER POINT MULTIPLIERS (WPM)
<br />
<br />98- WINTER OVERHANG FACTORS (WOF)
<br />
<br />CLIMATE ZONES 456
<br />
<br />~... OH RATIO ,0-,11 1 ,12-,17 ,18-,26 ,27-.35 1 .36-.46 .47-,57 ,58-.70 1.71-,83 I ,84- 1.18 1.19 1.72 1.73 2.73 I 2.74+
<br />. SINGLE PANE GLASS
<br />. N 1,0 1,03 1,05 ,108
<br />. 1.10 1.13 1.15 1.18 120 124 129 1.34
<br />. NE/NW 10 1,07 110 1.15 120 125 1.30 1.35 1.39 150 159 167
<br />.
<br />. E/W 1.0 .71 ,57 ,19 -,20 -,65 -105 -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 -101
<br />co. S 1,0 ,95 ,92 .83 .70 .54 .36 ,13 -,13 -.70 -,98 -j09
<br />I-a::
<br />~o DOUBLE PANE GLASS
<br />m.
<br />en. N 10 105 107 1,11 114 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 1.48 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 It, 1112 It. 2 It. 3 It. 3Y2 It. 4112 It 5112 It. 6Y2 It. 9Y2 It. 14 It. 20 It. +
<br /> * To select by Overhang Length, no part of glass shall be more than 8 It. below the overhang,
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<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 />
<br />
<br />
<br />.
<br />
<br />
<br />01
<br />
<br /> FRAME CONCRETE BLOCK1 FACE BRICK
<br /> WOOD STEEL INT. INSU LATlON EXT. INSUL. R.YALUE WOOD FR LOG
<br /> NORMAL WT. NOR. WT. 0- 6.9 7,0 6 INCH
<br />R.YALUE EXT ADJ EXT ADJ
<br />R.YALUE EXT ADJ EXT 7,10,9 2,1 R.YALUE EXT
<br />0, 6.9 6,8 5,3 9.4 6.7
<br /> O. 2,9 6,0 3,1 6,0 11,18,9 17 0-2,9 2.2
<br />7,10.9 2.5 2,1 4.4 3,3
<br />11 -12,9 2,0 1.8 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 & Up ,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 81NCH
<br />26 & Uo .7 .7 1.4 1,2 11,18,9 1.5 1,1 iii 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 ~.;:~:~t~tMij#: 7 - 9,9 1.8 3 - 6,9 ,9
<br /> i-'.~. ~~*tW~~&'M: 1ijl&-t.ffW~ ~tl~~H~~~MK 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)
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<br />9E CEILING WINTER POINT MULTIPLIERS (WPM)
<br />
<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 RAISED WOOD'
<br />EDGE INSULATION CONCRETE POST OR PIER I STEM WALL WI UNDER I
<br /> R.VALUE WPM CONSTRUCTION FLOOR.ATION ADJACENT
<br />R.VALUE WPM R.YALUE WPM I WpM
<br />0-2.9 2.5 0-2.9 4.0 0- 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 1.8
<br />7 & IIn 2.7 7 & Un .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 (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 Space" 6,7 & up 1.06 1.00
<br />
<br />, 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 -
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