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<br />. .
<br />
<br />WINTER POINT MULTIPLIERS (~M)
<br />
<br />98 WINTER OVERHANG FACTORS (WOF)
<br />
<br />CLIMATE ZONES 4 5 6
<br />
<br />~ OH RATIO ,0-,11 ,12-,17 ,18-,26 I ,27-,3Yf ,36-.46 D7-,57 1.58-,70 .71-,83 ,84- 1.18 I 1.19-1.72 1.73-2,73 I 2.74+
<br />. SINGLE PANE GLASS
<br />. N 1,0 1.03 1.05 .1.08 1.10 1.13 1.15 1,20
<br />. 1.18 1.24 1,29 1,34
<br />. NElNW 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 />. ElW 1.0 .71 ,57 ,19 -,20 -,65 -1.05 -1.48 -2,03 -3.01 -4,06 -5,04
<br />.
<br />>-1 SElSW 1.0 ,93 ,90 ,80 ,68 ,54 ,39 ,22 ,05 -,33 -.71 -1.01
<br />a:l. S 1.0 ,95 ,92 ,83 ,70 ,54 ,36 ,13 -,13 -,70 -,98 .1nCl
<br />l-cc
<br />~o DOUBLE PANE GLASS
<br />un
<br />(/). N 1.0 1.05 1,07 1.11 1.14 1.18 1.21 1.24 1.28 1,34 1.40 1.47
<br />.
<br />. NElNW 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 />. ElW 1.0 ,88 ,82 ,66 ,50 ,31 ,15 -,03 -,26 -,66 -1.10 -1.50
<br />.
<br />. SElSW 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. 3112 It. 4112 It 5112 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 />
<br />H
<br />
<br />J
<br />
<br />9C WALL WINTER POINT MULTIPLIERS (WPM)
<br />
<br />
<br />
<br />01
<br />
<br /> FRAME CONCRETE BLOCK1 FACE BRICK
<br /> WOOD STEEL INT. INSULATION 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 />O. 6,9 6,8 5,3 9.4 6.7
<br /> O. 2,9 6,0 3,1 6,0 11.18,9 1.7 0.2,9 22
<br />7.1,Q,9 2 - 2,1 4.4 3,3 2,8 19 - 25,9 10 3 - 6,9 12
<br />.....-rr- 12,9 ( 2, A 1,8 3.3 2,6 3. 4,9 3,8 2,3
<br />13.18,9 1: T6 3,0 2.4 5 - 6,9 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 23 15 15 R.YALUE BLOCK 81NCH
<br />26 & Ua .7 ,7 1.4 1,2 11 -18,9 15 1,1 iii 0-2,9 3.7 R.YALUE EXT
<br /> 19.25,9 8 .7 3 - 6,9 2,6 0-29 1,2
<br /> 26 & Up ,5 ,5 7 - 9,9 18 3 - 6,9 ,9
<br /> {'''~$~~' ~1ili1~i':~?~1* tttRltJJt 10 & Up 13 7& Up .7
<br />
<br />9D DOOR WINTER POINT MULTIPLIERS (WPM)
<br />
<br />DOOR TYPE
<br />
<br />EXTERIOR ADJACENT
<br />
<br />WOOD
<br />
<br />7,6 5,9
<br />
<br />INSULATED
<br />
<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 10-109 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 WOOD2
<br />EDGE INSUL TION CONCRETE POST OR PIER I STEM WALL WI UNDER I
<br /> CONSTRUCTION FLOOR INSULATION ADJACENT
<br />R.VALUE WPM R.VALUE WPM R.YALUE WPM I 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 15 I ,5 I 18
<br />7 & Uo 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}: 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 Space3 6.7 & up 1,06 1.00
<br />
<br />1 For multipliers lor 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.
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