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<br />SUMMER POINT MULTIPLIERS (SPM)
<br />
<br />98 SUMMER OVERHANG FACTORS (SOF) For single and double pane glass,
<br />
<br />7
<br />
<br />(.
<br />
<br />CLIMATE ZONES 4 :
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<br /> ------------ -. -----
<br />~ OH RATIO .0-11 .12-,11 .18-.26 1),27-35 36- .46 .47-.57 ,58- .70 .71-,83 .84- 1.18 I D1.19- 1.72 1.73-2.73 2.74+
<br />. N 1.0 ,94 C:l1 .87 .83 .79 .75 .72 ,69 ,Ill .56 ,50
<br />>-1 .79 .72 ,68 .63 .58 .50 ,40 .36
<br />COI NE/NW 1.0 .94 .91 .85
<br />>-0: E/W 1.0 .95 ,92 .85 .78 .70 ,64 .58 .52 ,42 .33 .26
<br />~o
<br />ujl SUSW 1.0 .93 .90 .81 .72 ,62 .55 ,49 ,42 .33 .27 .22
<br />enl
<br />, S 10 .91 .87 .77 .67 .57 .50 ,45 .39 ,32 .28 .25
<br />~ OH LENGTH . o fl. 1 It. 1112 It. 2 It. 3 ft. 3V2 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 ft below the overhang
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<br />OVERHANG RATIO = OH LENGTH
<br />OH HEIGHT
<br />
<br />
<br />
<br />01
<br />
<br />r~L
<br />H
<br />
<br />J
<br />
<br />9C WALL SUMMER POINT MULTIPLIERS (SPMI
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<br />
<br /> FRAME I CONCRETE BLOCK! FACE BRICK
<br /> -
<br /> wooIL7 STEEL INT. INSULATION EXT. INSUL. R.YALUE WOOD FR LOG
<br />R.VALUE EXT ADJ EXT ADJ NORMAL WT. NOR. WT. 0- 6.9 2,9 6 INCH
<br />0- 6,9 6,4 22 8.9 2,9 R.YALUE EXT ADJ EXT 7 -10,9 .6 R.YALUE EXT
<br />7,10,9 2,3 8 4,1 1.3 0, 2.9 2.5 .9 2,5 11 -18,9 ,4 0- 2,9 1.7
<br />11 - 12.S -- 1.g 7 3,0 1.0 3, 49 1.4 .7 .7 19 - 25.9 .2 3 - 6,9 U
<br />13, 18,9 1.7 ,6 2,8 O,g 5 - 6.9 1.0 .6 .3 26 & Up ,1 7& Up .8
<br />19 - 25,9 1.0 3 24 0,8 7,10.9 .8 .4 .1 R.YALUE BLOCK 8 INCH
<br />26 & Un ,6 2 1.3 04 11,18,9 .4 .3 IwM 0- 2.9 1.0 R.YAWE EXT
<br /> 19 - 25.9 2 ,2 3, 6.9 ,6 0,2.9 1.0
<br /> 26 & Up 1 .1 7 - 9,9 .4 3,6.9 .8
<br /> 10 & Up .2 7 & Up .,
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<br />(--
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<br />90 DOOR SUMMER POINT MULTIPLIERS (SPM)
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<br />9E CEILING SUMMER POINT MULTIPLIERS (SPM)
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<br />DOOR TYPE EXTERIOR ADJACENT
<br />WOOD 72 2.4)
<br />INSULATED 4.8 ; 1.6
<br /> --
<br />
<br />UNDER ATTIC
<br />SPM
<br />11
<br />.9
<br />.7
<br />,6
<br />.4
<br />
<br />SINGLE ASSEMBLY
<br />R-VALUE SPM
<br />10 -10,9 3.0
<br />11.12,9 2.7
<br />13 - 18,9 2.4
<br />19 - 25.9 1,8
<br />26 & U 1.1
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<br />
<br />9F FLOOR SUMMER POINT MULTIPLIERS (SPM)
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<br />CONCRETE DECK ROOF
<br />CEILIN TYPE
<br />DROPPED EXPOSEl
<br />3,0 3,3
<br />2,0 21
<br />1.4 1.3
<br />
<br />
<br /> SLAB-ON-GRADE RAISED RAISED WOOO2
<br />1-----.- EDGE INSULATION CONCRETE --- POST OR PIER STEM WALL WI UNDER
<br />_.A..-VALUE SPM R.VALUE SPM CONSTRUCTION FLOOR INSULATION ADJACENT
<br /> R.YALUE SPM Spy SPM
<br /> 0.2,9 -31.9 0-29 1.0 ~-- 0- 69 9 5.3
<br /> 3 - 4.9 31.8 3 - 4.9 1.7 7,10.9 -u -2.8 21
<br />1-----. 5 - 6,9 -31,7 5 - 6,9 1.7 11 ,18.9 -10 -2.2 1.8
<br /> 7 R. Iln - ~ 1.f; 7 & Uo ,1.7 19 & Uo -9 -18 1.0
<br />
<br />9H DUCT MULTIPLIERS (OM)
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<br />9G INFILTRATION SUMMER POINT MULTIPLIERS (SPM)
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<br />R-Value
<br />
<br />INFILTRATION PRACTICE SPM
<br />(See Table 9P)
<br />PRACTICE # 1 13,8
<br />PRACTICE # 2 10,9
<br />PRACTICE # 3 7.6
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<br />Supply 4,2-5,9
<br />Ducts in 6,0-6.6
<br />Unconditioned Space 6.7 & up
<br />
<br />Supply 4,2-5,9
<br />Ducts in 6,0-6,6
<br />Conditioned Space' 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 />I Ducts in conditioned space need to be insulated only to the R-Value necessary to prevent condensation,
<br />- 3-
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<br />Return Ducts
<br />In Unconditioned Space
<br />
<br />1.14
<br />1,10
<br />1.09
<br />
<br />1.10
<br />1,O?
<br />1.06
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<br />Return Ducts
<br />In Conditioned Sp,
<br />
<br />1,10
<br />1,07
<br />1,06
<br />
<br />1,00
<br />1,00
<br />1.00
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