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<br />SUMMER POINT MULTIPLIERS (SPM)
<br />
<br />98 SUMMER OVERHANG fACTORS (SOf) for single and double pane glass,
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<br />~
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<br />CLIMATE ZONES"
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<br />. OH RATIO ,0 .11 ,12 ,17 ,18 ,26 .27 .35 ,36 .46 .47 ,57 ,58 ,70 .71 ,83 ,84 1.18 1.19-1.72 1.73- 2.73 2.74~
<br />I N 1,0 ,94 ,91 ,87 ,83 ,79 .75 ,72 ,69 ,62 ,56 .5
<br />>-1 NE/NW 1.0 ,94 ,91 ,85 .79 ,72 ,68 ,63 ,58 ,50 .40 .3
<br />COI
<br />1--0:: E/W 1.0 ,95 ,92 ,85 .78 .70 ,64 ,58 .52 .42 ,33 ,2<
<br />~q
<br />;:;jl SE/SW 1.0 ,93 ,90 ,81 .72 ,62 ,55 .49 .42 .33 .27 ,2
<br />(/)1
<br />. S 1.0 ,91 .87 .77 ,67 .57 ,50 .45 .39 ,32 ,28 ,2
<br />. OH LENGTH' o It 1 It 1112 It 2 It 3 ft 3112 It 4112 It 5112 It 6112 It 9112 It 14 ft 20 It
<br /> . To select by Overhang Length, no part of glass shall be more than 8 ft below the overhang
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<br />OVERHANG RATIO = OH LENGTH
<br />OH HEIGHT
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<br />r~L
<br />H
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<br />J
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<br />9C WALL SUMMER POINT MULTIPLIERS (SPMI
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<br />FRAME
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<br />CONCRETE BLOCKl
<br />INT. INSULATION EXT. INSUL.
<br />NORMAL WT. NOR. WT.
<br />EXT ADJ EXT
<br />25 ,9 2,5
<br />1.4 .7 .7
<br />1~ ! ,3
<br />,8 .4 ,1
<br />.4 ,3 ,0
<br />,2 ,2
<br />,1 ,1
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<br /> WOOD STEEL
<br />R.YALUE EXl ADJ EXT ADJ
<br />O. 69 6.4 22 8,9 2,9
<br />7.10,9 2,3 ,8 4,1 1.3
<br />.12,9 1.9 ,7 3,0 1.0
<br />13 - 18,9 1,7 ,6 2,8 0,9
<br />19.25,9 1.0 ,3 2.4 0,8
<br />26 & U ,6 2 1.3 0.4
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<br />
<br />90 DOOR SUMMER POINT MULTIPLIERS (SPM)
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<br />9E CEILING SUMMER POINT MULTIPLIERS (SPM)
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<br />FACE BRICK
<br />R.VALUE WOOD FR
<br />0- 6,9 2,9
<br />7.10,9 ,6
<br />11 - 18,9 .4
<br />19 . 25,9 ,2
<br />26 & Up ,1
<br />R.VALUE BLOCK
<br />0- 2,9 1.0
<br />3 - 6.9 ,6
<br />7 - 9,9 .4
<br />10 & U2
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<br />
<br />LOG
<br />6 INCH
<br />R.VALUE
<br />0- 2,9
<br />3. 6,9
<br />7& Up
<br />8 INCH
<br />R.VALUE
<br />0.2,9
<br />3.69
<br />7&U
<br />
<br />EXT
<br />17
<br />1,1
<br />8
<br />
<br />EXl
<br />10
<br />8
<br />.7
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<br />DOOR TYPE EXTERIOR ADJACENT
<br />WOOD 7,2 2.4
<br />INSULATED v-{8 -1,6
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<br />UNDER ATTIC SINGLE ASSEMBLY CON RETE DECK ROOF
<br />R-VALUE SPM R.VALUE SPM CEILING TYPE
<br />19 - 21.9 1,1 10 -109 3.0 R-VALUE DROPPED EXPOSE
<br />~25,9 ,9 11 - 12,9 2.7 10.13,9 3,0 3,3
<br />26 - 29,9 .7 13 - 18,9 2.4 14 - 20,9 2,0 21
<br />30 - 37,9 ,6 19 - 25,9 1,8 21 & Uo 1.4 1.3
<br />38 & Un ,4 2fi & Un 1.1 /\
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<br />9F FLOOR SUMMER POINT MULTIPLIERS (SPM)
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<br />SLAB-ON-GRADE RAISED RAISED WOOO2
<br />EDGE INSULATION CONCRETE POST OR PIER STEM WALL WI UNDER
<br />R.VALUE SPM R.VALUE SPM CONSTRUCTION FLOOR INSULATION ADJACENT
<br />R.VALUE SPM SPM 5PM
<br />0-2,9 31,9 0-2.9 1,0 0- 69 ,9 5,3
<br />3 - 4,9 31.8 3 - 4,9 1.7 7.10,9 -1.1 -2.8 21
<br />5 - 6,9 31.7 5 - 6.9 1,7 11 -189 -1.0 -2,2 1.8
<br />7 R. tin -~1 ~ 711. Iln 17 19 & Uo - ,9 -1.8 1.0
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<br />9H DUCT MULTIPLIERS (DM)
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<br />9G INfiLTRATION SUMMER POINT MULTIPLIERS (SPM)
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<br />A-Value
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<br />Supply 4,2-5.9
<br />Ducts in 6,0-6.6
<br />Unconditioned Space 6,7 & up
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<br />13.8 Supply 4.2-5,9
<br />10,9 Ducts in 6,0-6,6
<br />7,6 Conditioned Space3 6,7 & up
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<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 A-Value necessary to prevent condensation.
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<br />SPM
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<br />Aeturn Ducts
<br />In Unconditioned Space
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<br />1.14
<br />1.10
<br />1.09
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<br />1.10
<br />1.07
<br />1.06
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<br />Return Ducts
<br />In Conditioned Sp
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<br />1.10
<br />1.07
<br />1.06
<br />
<br />1.00
<br />1.00
<br />1.00
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