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<br />SUMMER POINT MULTIPLIERS (SPM) <br /> <br />98 SUMMER OVERHANG FACTORS (SOF) For single and double pane glass. <br /> <br />CLIMATE ZONES 4 5 6 <br /> <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 />, N 1.0 .94 .91 ,87 .83 .79 .75 .72 .69 .62 ,56 .50 <br />>-' NE/NW 1.0 .94 .91 .85 .79 .72 .68 .63 .58 .50 .40 .36 <br />cow <br />>-0:: E/W 1.0 .95 .92 .85 .78 .70 .64 .58 ,52 .42 .33 .26 <br />frlp <br />cd' SE/SW 1.0 ,93 .90 .81 .72 .62 .55 .49 .42 .33 ,27 .22 <br />"'. <br />, S 1.0 .91 .87 .77 .67 .57 .50 .45 ,39 .32 .28 .25 <br />. OH LENGTH . Olt. 1 ft, mlt. 2 ft. 3 It. 31fz It. 41fz It. 51fz It. 61fz ft. 91fz It, 14 It. 20ft,+ <br /> . To select by Overhang Length. no part of glass shall be more than 8 It. below the overhang. <br /> <br />CNERHANG RATIO = OH LENGTH <br />OH HEIGHT <br /> <br /> <br />r~L <br />H <br /> <br />.J <br /> <br />9C WALL SUMMER POINT MULTIPLIERS (SPM) <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& U ,6 ,2. 1.3 0.4 <br /> <br />90 DOOR SUMMER POINT MULTIPLIERS (SPM) <br /> <br />DOOR TYPE EXTERIOR ADJACENT <br />WOOD 7,2 2.4 <br />INSULATED 4.8 1.6 <br /> <br />9F FLOOR SUMMER POINT MUlTIPLIERS (SPM) <br /> <br />SLAB-ON-GRADE RAISED <br />EDGEINSU nON ONCRETE <br />R-YALUE SPM R-YALUE SPM <br />0-2.9 31,9 0 - 2.9 1,0 <br />3 - 4,9 31. 3 - 4,9 1.7 <br />5 - 6,9 -31.7 5 - 6.9 -1.7 <br /> <br /> <br /> <br />dl <br /> <br /> <br />CONCRETE BLOCK' <br />INT. INSULATION' 00. INSUL <br />NORMAL WT, NOR. WT. <br />00 ADJ 00 <br />2,5 .9 2.5 <br />1.4 .7 .7 <br />1~ B J <br />.8 .4 .1 <br />.4 .3 ,0 <br />.2 .2 <br />,1 .1 <br /> <br />LOG <br />8 INCH <br />R.YAWE 00 <br />0- 2.9 1.7 <br />3. 6.9 1.1 <br />7 & U ,8 <br />. INCH <br />R.YALUE 00 <br />0-2.9 1.0 <br />3 -6.9 .8 <br />7&U .7 <br /> <br />9E CEILING SUMMEA POINT MULTIPLIERS (SPM) <br /> <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 1 <br /> <br /> <br /> <br />,9G INFILTRATION SUMMER POINT MULTIPLIERS (SPM) <br /> <br />INFIL TRA TION PRACTICE SPM <br />(See Tlble 9P) <br />PRACTICE If 1 13.8 <br />PRACTICE If 2 10.9 <br />PRACTICE If 3 7.6 <br /> <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 />Oucts in S.0-6.6 1.10 1.07 <br />Unconditioned Space a,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 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 Oucts in conditioned space need to be insulated only to the R-Value necessary to prevent condensation, <br />- 3- <br />