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<br />SUMMER POINT MULTIPLIERS (SPM)
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<br />98 SUMMER OVERHANG FACTORS (SOF) For single and double pane glass.
<br />
<br />CLIMATE ZONES 4 5 6
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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 ,50
<br />>-1 ,85 ,72 .68 .63 ,58 ,50 .40 ,36
<br /><DI NElNW 1.0 ,94 .91 .79
<br />f-a: ElW 1.0 ,95 ,92 ,85 .78 .70 .64 ,58 ,52 ,42 .33 .26
<br />C39
<br />u:J1 SElSW 1.0 ,93 ,90 ,81 .72 .62 .55 .49 .42 ,33 ,27 ,22
<br />tlJl
<br />I S 1.0 .91 ,87 ,77 ,67 .57 .50 .45 .39 ,32 .28 ,25
<br />~ OH LENGTH . o It. 1 It, 1Y2 It. 21t. 3 It. 3112 It. 4112 It. 5112 It. 6112 1t. 9112 1t. 14 It. 201t.+
<br /> . To select by Overhang Length, no part 01 glass shall be more than 8 It. below the overhang
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<br />OVERHANG RATIO = OH LENGTH
<br />OH HEIGHT
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<br />
<br />r~L
<br />
<br />H
<br />
<br />j
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<br />9C WALL SUMMER POINT MULTIPLIERS (SPMI
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<br />FRAME
<br />
<br /> WOOD STEEL
<br />R.VALUE EXT ADJ EXT ADJ
<br />0- 6.9 6.4 2.2 8.9 2,9
<br />7 -10.9 2.3 .8 4,1 1.3
<br />11 - 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 & Uo ,6 ,2 1.3 0.4
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<br />90 DOOR SUMMER POINT MULTIPLIERS (SPM)
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<br />DOOR TYPE EXTERIOR ADJACENT
<br />WOOD 72 2.4
<br />INSULATED 4.8 1.6
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<br />9F FLOOR SUMMER POINT MULTIPLIERS (SPM)
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<br />SLAB.ON-GRADE RAISED
<br />EDGE INSULATION CONCRETE
<br />R.VALUE SPM R-VALUE SPM
<br />0-2,9 31.9 0 - 2,9 1,0
<br />3 - 4,9 31.8 3 - 4.9 1.7
<br />5-6,9 31.7 5-6.9 -1.7
<br />- 1. 1.
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<br />
<br />9G INFILTRATION SUMMER POINT MULTIPLIERS (SPMI
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<br />INFILTRATION PRACTICE SPM
<br />(See Table 9PI
<br />PRACTICE # 1 13,8
<br />PRACTICE # 2 10.9
<br />PRACTICE # 3 7.6
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<br />R.YALUE
<br />0- 2,9
<br />3 - 4,9
<br />5, 6,9
<br />7 -10,9
<br />11 -189
<br />19 - 25,9
<br />26 & Up
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<br />
<br />01
<br />
<br />CONCRETE BLOCK1
<br />INT. INSULATION EXT.INSUL.
<br />NORMAL WT. NOR. WT.
<br />EXT ADJ EXT
<br />2.59 2.5
<br />1.4 .7 .7
<br />1~ ! ,3
<br />.8 .4 .1
<br />.4 ,3 ,0
<br />22 WIWfY4WH
<br />.1 .1 11@@;:}kM$.
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<br />
<br />FACE BRICK
<br />R.YAWE WOOD FR
<br />0- 6,9 2,9
<br />7 - 10,9 ,6
<br />11 - 18,9 .4
<br />19 - 2592
<br />26 & Up1
<br />R.YALUE BLOCK
<br />0- 2,9 1.0
<br />3 - 6,9 .6
<br />7. 9,9 .4
<br />10 & Up ,2
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<br />9E CEILING SUMMER POINT MULTIPLIERS (SPM)
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<br />UNDER ATTIC SINGLE ASSEMBLY
<br />R-VALUE SPM R-VALUE SPM
<br />19-21,9 1,1 10-10,9 3.0
<br />22 - 25,9 ,9 11 - 12,9 2.7
<br />26 - 29,9 .7 13 - 18,9 2.4
<br />30 - 37,9 ,6 19 - 25,9 1.8
<br />38&U .4 2 &U 1.1
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<br />
<br />LOG
<br />6 INCH
<br />R.YAWE
<br />0- 2,9
<br />3 - 6.9
<br />7 & Up
<br />8 INCH
<br />R.YAWE
<br />0-2.9
<br />3-69
<br />7 & Up
<br />
<br />EXT
<br />1.7
<br />1.1
<br />,8
<br />
<br />EXT
<br />1.0
<br />,8
<br />.7
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<br />
<br />CONCRETE DECK ROOF
<br />CEILING TYPE
<br />DROPPED EXPOSED
<br />3.0 3.3
<br />2.0 2.1
<br />1.4 1.3
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<br />
<br />R.YAWE
<br />0- 6,9
<br />7,10,9
<br />11 -189
<br />19 & Up
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<br />9H DUCT MULTIPLIERS (OM)
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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 R-Value necessary to prevent condensation,
<br />- 3-
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<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
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