Laserfiche WebLink
www.SSMA.com 27Complies With 2009, 2012 and 2015 IBC <br />Curtain Wall Limiting Heights - Single Span <br />Section Fy (ksi)Spacing (in) oc <br />5 psf 15 psf 20 psf 25 psf 30 psf 35 psf 40 psf 50 psf <br />L/120 L/240 L/360 L/240 L/360 L/600 L/240 L/360 L/600 L/240 L/360 L/600 L/240 L/360 L/600 L/240 L/360 L/600 L/240 L/360 L/600 L/240 L/360 L/600 <br />600S200-68 50 <br />12 47' 7" 37' 9" 33' 0" 29' 6" 25' 9" 21' 9" 26' 9" 23' 5" 19' 9" 24' 10" 21' 9" 18' 4" 23' 5" 20' 5" 17' 3" 22' 3" 19' 5" 16' 4" 21' 3" 18' 7" 15' 8" 19' 9" 17' 3" 14' 6" <br />16 43' 2" 34' 3" 29' 11" 26' 9" 23' 5" 19' 9" 24' 4" 21' 3" 17' 11" 22' 7" 19' 9" 16' 8" 21' 3" 18' 7" 15' 8" 20' 2" 17' 8" 14' 11" 19' 4" 16' 10" 14' 3" 17' 11" 15' 8" 13' 2" <br />24 37' 9" 29' 11" 26' 2" 23' 5" 20' 5" 17' 3" 21' 3" 18' 7" 15' 8" 19' 9" 17' 3" 14' 6" 18' 7" 16' 3" 13' 8" 17' 8" 15' 5" 13' 0" 16' 10" 14' 9" 12' 5" 15' 8" 13' 8" 11' 6" <br />600S137-97 50 <br />12 47' 11" 38' 0" 33' 2" 29' 8" 25' 11" 21' 10" 27' 0" 23' 7" 19' 10" 25' 0" 21' 10" 18' 5" 23' 7" 20' 7" 17' 4" 22' 5" 19' 7" 16' 6" 21' 5" 18' 8" 15' 9" 19' 10" 17' 4" 14' 8" <br />16 43' 6" 34' 6" 30' 2" 27' 0" 23' 7" 19' 10" 24' 6" 21' 5" 18' 1" 22' 9" 19' 10" 16' 9" 21' 5" 18' 8" 15' 9" 20' 4" 17' 9" 15' 0" 19' 5" 17' 0" 14' 4" 18' 1" 15' 9" 13' 4" <br />24 38' 0" 30' 2" 26' 4" 23' 7" 20' 7" 17' 4" 21' 5" 18' 8" 15' 9" 19' 10" 17' 4" 14' 8" 18' 8" 16' 4" 13' 9" 17' 9" 15' 6" 13' 1" 17' 0" 14' 10" 12' 6" 15' 9" 13' 9" 11' 7" <br />600S162-97 50 <br />12 50' 1" 39' 9" 34' 9" 31' 1" 27' 2" 22' 11" 28' 3" 24' 8" 20' 9" 26' 2" 22' 11" 19' 4" 24' 8" 21' 6" 18' 2" 23' 5" 20' 5" 17' 3" 22' 5" 19' 7" 16' 6" 20' 9" 18' 2" 15' 4" <br />16 45' 6" 36' 2" 31' 7" 28' 3" 24' 8" 20' 9" 25' 8" 22' 5" 18' 11" 23' 10" 20' 9" 17' 6" 22' 5" 19' 7" 16' 6" 21' 3" 18' 7" 15' 8" 20' 4" 17' 9" 15' 0" 18' 11" 16' 6" 13' 11" <br />24 39' 9" 31' 7" 27' 7" 24' 8" 21' 6" 18' 2" 22' 5" 19' 7" 16' 6" 20' 9" 18' 2" 15' 4" 19' 7" 17' 1" 14' 5" 18' 7" 16' 3" 13' 8" 17' 9" 15' 6" 13' 1" 16' 6" 14' 5" 12' 2" <br />600S200-97 50 <br />12 52' 10" 41' 11" 36' 7" 32' 9" 28' 7" 24' 1" 29' 9" 26' 0" 21' 11" 27' 7" 24' 1" 20' 4" 26' 0" 22' 8" 19' 2" 24' 8" 21' 7" 18' 2" 23' 7" 20' 7" 17' 5" 21' 11" 19' 2" 16' 2" <br />16 48' 0" 38' 1" 33' 3" 29' 9" 26' 0" 21' 11" 27' 0" 23' 7" 19' 11" 25' 1" 21' 11" 18' 6" 23' 7" 20' 7" 17' 5" 22' 5" 19' 7" 16' 6" 21' 5" 18' 9" 15' 10" 19' 11" 17' 5" 14' 8" <br />24 41' 11" 33' 3" 29' 1" 26' 0" 22' 8" 19' 2" 23' 7" 20' 7" 17' 5" 21' 11" 19' 2" 16' 2" 20' 7" 18' 0" 15' 2" 19' 7" 17' 1" 14' 5" 18' 9" 16' 4" 13' 10" 17' 5" 15' 2" 12' 10" <br />600S162-118 50 <br />12 52' 11" 42' 0" 36' 8" 32' 10" 28' 8" 24' 2" 29' 10" 26' 0" 21' 11" 27' 8" 24' 2" 20' 5" 26' 0" 22' 9" 19' 2" 24' 9" 21' 7" 18' 3" 23' 8" 20' 8" 17' 5" 21' 11" 19' 2" 16' 2" <br />16 48' 1" 38' 2" 33' 4" 29' 10" 26' 0" 21' 11" 27' 1" 23' 8" 19' 11" 25' 2" 21' 11" 18' 6" 23' 8" 20' 8" 17' 5" 22' 6" 19' 8" 16' 7" 21' 6" 18' 9" 15' 10" 19' 11" 17' 5" 14' 8" <br />24 42' 0" 33' 4" 29' 1" 26' 0" 22' 9" 19' 2" 23' 8" 20' 8" 17' 5" 21' 11" 19' 2" 16' 2" 20' 8" 18' 1" 15' 3" 19' 8" 17' 2" 14' 6" 18' 9" 16' 5" 13' 10" 17' 5" 15' 3" 12' 10" <br />600S200-118 50 <br />12 55' 10" 44' 4" 38' 9" 34' 7" 30' 3" 25' 6" 31' 5" 27' 6" 23' 2" 29' 2" 25' 6" 21' 6" 27' 6" 24' 0" 20' 3" 26' 1" 22' 10" 19' 3" 25' 0" 21' 10" 18' 5" 23' 2" 20' 3" 17' 1" <br />16 50' 9" 40' 3" 35' 2" 31' 5" 27' 6" 23' 2" 28' 7" 25' 0" 21' 1" 26' 6" 23' 2" 19' 7" 25' 0" 21' 10" 18' 5" 23' 9" 20' 9" 17' 6" 22' 8" 19' 10" 16' 9" 21' 1" 18' 5" 15' 6" <br />24 44' 4" 35' 2" 30' 9" 27' 6" 24' 0" 20' 3" 25' 0" 21' 10" 18' 5" 23' 2" 20' 3" 17' 1" 21' 10" 19' 1" 16' 1" 20' 9" 18' 1" 15' 3" 19' 10" 17' 4" 14' 7" 18' 5" 16' 1" 13' 7" <br />800S137-43 33 <br />12 45' 10" 37' 10" 33' 1" 26' 6" 25' 10" 21' 9" 22' 11" 22' 11" 19' 9" 20' 6"e 20' 6"e 18' 4" 18' 9"e 18' 9"e 17' 3"e 17' 4"e 17' 4"e 16' 5"e 16' 3"e 16' 3"e 15' 8"e 14' 6"e 14' 6"e 14' 6"e <br />16 39' 9" 34' 4" 30' 0" 22' 11" 22' 11" 19' 9" 19' 10"e 19' 10"e 18' 0" 17' 9"e 17' 9"e 16' 8"e 16' 3"e 16' 3"e 15' 8"e 15' 0"e 15' 0"e 14' 11"e 14' 1"e 14' 1"e 14' 1"e 12' 7"e 12' 7"e 12' 7"e <br />24 32' 5" 29' 11" 26' 3" 18' 9"e 18' 9"e 17' 3"e 16' 3"e 16' 3"e 15' 8"e 14' 6"e 14' 6"e 14' 6"e 13' 3"e 13' 3"e 13' 3"e 12' 3"e 12' 3"e 12' 3"e 11' 6"e 11' 6"e 11' 6"e 10' 3"e 10' 3"e 10' 3"e <br />800S162-43 33 <br />12 49' 2" 39' 4" 34' 4" 28' 6" 26' 10" 22' 7" 24' 9"e 24' 4" 20' 7" 22' 1"e 22' 1"e 19' 1" 20' 2"e 20' 2"e 17' 11"e 18' 8"e 18' 8"e 17' 1"e 17' 6"e 17' 6"e 16' 4"e 15' 8"e 15' 8"e 15' 2"e <br />16 42' 10" 35' 8" 31' 2" 24' 9"e 24' 4" 20' 7" 21' 5"e 21' 5"e 18' 8"e 19' 2"e 19' 2"e 17' 4"e 17' 6"e 17' 6"e 16' 4"e 16' 2"e 16' 2"e 15' 6"e 15' 2"e 15' 2"e 14' 10"e 13' 6"e 13' 6"e 13' 6"e <br />24 34' 11" 31' 1" 27' 3" 20' 2"e 20' 2"e 17' 11"e 17' 6"e 17' 6"e 16' 4"e 15' 8"e 15' 8"e 15' 2"e 14' 3"e 14' 3"e 14' 3"e 13' 3"e 13' 3"e 13' 3"e 12' 4"e 12' 4"e 12' 4"e 11' 1"e 11' 1"e 11' 1"e <br />800S200-43 33 <br />12 51' 10" 41' 1" 35' 11" 30' 6" 28' 1" 23' 8" 26' 5"e 25' 6"e 21' 6" 23' 8"e 23' 8"e 19' 11"e 21' 7"e 21' 7"e 18' 9"e 20' 0"e 20' 0"e 17' 10"e 18' 8"e 18' 8"e 17' 1"e 16' 9"e 16' 9"e 15' 10"e <br />16 45' 10" 37' 4" 32' 8" 26' 5"e 25' 6"e 21' 6" 22' 11"e 22' 11"e 19' 6"e 20' 6"e 20' 6"e 18' 2"e 18' 8"e 18' 8"e 17' 1"e 17' 4"e 17' 4"e 16' 2"e 16' 2"e 16' 2"e 15' 6"e 14' 6"e 14' 6"e 14' 5"e <br />24 37' 5" 32' 8" 28' 6" 21' 7"e 21' 7"e 18' 9"e 18' 8"e 18' 8"e 17' 1"e 16' 9"e 16' 9"e 15' 10"e 15' 3"e 15' 3"e 14' 11"e 14' 2"e 14' 2"e 14' 2"e 13' 3"e 13' 3"e 13' 3"e 11' 10"e 11' 10"e 11' 10"e <br />800S137-54 50 <br />12 51' 2" 40' 7" 35' 6" 31' 9" 27' 8" 23' 4" 28' 10" 25' 2" 21' 3" 26' 9" 23' 4" 19' 9" 25' 2" 22' 0" 18' 7" 23' 3" 20' 11" 17' 7" 21' 9" 20' 0" 16' 10" 19' 6" 18' 7" 15' 8" <br />16 46' 5" 36' 11" 32' 3" 28' 10" 25' 2" 21' 3" 26' 2" 22' 10" 19' 3" 23' 10" 21' 3" 17' 11" 21' 9" 20' 0" 16' 10" 20' 2" 19' 0" 16' 0" 18' 10" 18' 2" 15' 4" 16' 10" 16' 10" 14' 3" <br />24 40' 6" 32' 3" 28' 2" 25' 2" 22' 0" 18' 7" 21' 9" 20' 0" 16' 10" 19' 6" 18' 7" 15' 8" 17' 9" 17' 5" 14' 9" 16' 6"e 16' 6"e 14' 0" 15' 5"e 15' 5"e 13' 4" 13' 9"e 13' 9"e 12' 5"e <br />800S162-54 50 <br />12 53' 2" 42' 3" 36' 10" 33' 0" 28' 10" 24' 3" 29' 11" 26' 2" 22' 1" 27' 10" 24' 3" 20' 6" 26' 2" 22' 10" 19' 3" 24' 10" 21' 9" 18' 4" 23' 5" 20' 9" 17' 6" 20' 11" 19' 3" 16' 3" <br />16 48' 4" 38' 4" 33' 6" 29' 11" 26' 2" 22' 1" 27' 3" 23' 9" 20' 1" 25' 3" 22' 1" 18' 7" 23' 5" 20' 9" 17' 6" 21' 8" 19' 9" 16' 8" 20' 3" 18' 10" 15' 11" 18' 1"e 17' 6"e 14' 9" <br />24 42' 1" 33' 6" 29' 3" 26' 2" 22' 10" 19' 3" 23' 5" 20' 9" 17' 6" 20' 11" 19' 3" 16' 3" 19' 1" 18' 2" 15' 4" 17' 8"e 17' 3"e 14' 6" 16' 6"e 16' 6"e 13' 11" 14' 9"e 14' 9"e 12' 11"e <br />800S200-54 50 <br />12 55' 8" 44' 2" 38' 7" 34' 6" 30' 2" 25' 5" 31' 4" 27' 5" 23' 1" 29' 1" 25' 5" 21' 5" 27' 5" 23' 11" 20' 2" 26' 0" 22' 9" 19' 2" 24' 10" 21' 9" 18' 4" 22' 4" 20' 2" 17' 0" <br />16 50' 7" 40' 2" 35' 1" 31' 4" 27' 5" 23' 1" 28' 6" 24' 10" 21' 0" 26' 5" 23' 1" 19' 6" 24' 10" 21' 9" 18' 4" 23' 1" 20' 8" 17' 5" 21' 7"e 19' 9" 16' 8" 19' 4"e 18' 4"e 15' 5" <br />24 44' 2" 35' 1" 30' 8" 27' 5" 23' 11" 20' 2" 24' 10" 21' 9" 18' 4" 22' 4" 20' 2" 17' 0" 20' 5"e 19' 0" 16' 0" 18' 10"e 18' 0"e 15' 2" 17' 8"e 17' 3"e 14' 7"e 15' 9"e 15' 9"e 13' 6"e <br />800S137-68 50 <br />12 54' 11" 43' 7" 38' 1" 34' 0" 29' 9" 25' 1" 30' 11" 27' 0" 22' 9" 28' 8" 25' 1" 21' 2" 27' 0" 23' 7" 19' 11" 25' 8" 22' 5" 18' 11" 24' 6" 21' 5" 18' 1" 22' 9" 19' 11" 16' 9" <br />16 49' 10" 39' 7" 34' 7" 30' 11" 27' 0" 22' 9" 28' 1" 24' 6" 20' 8" 26' 1" 22' 9" 19' 2" 24' 6" 21' 5" 18' 1" 23' 4" 20' 4" 17' 2" 22' 3" 19' 6" 16' 5" 19' 11" 18' 1" 15' 3" <br />24 43' 7" 34' 7" 30' 2" 27' 0" 23' 7" 19' 11" 24' 6" 21' 5" 18' 1" 22' 9" 19' 11" 16' 9" 21' 0" 18' 9" 15' 9" 19' 5" 17' 9" 15' 0" 18' 2" 17' 0" 14' 4" 16' 3" 15' 9" 13' 4" <br />800S162-68 50 <br />12 57' 1" 45' 4" 39' 7" 35' 4" 30' 11" 26' 1" 32' 2" 28' 1" 23' 8" 29' 10" 26' 1" 22' 0" 28' 1" 24' 6" 20' 8" 26' 8" 23' 4" 19' 8" 25' 6" 22' 3" 18' 10" 23' 8" 20' 8" 17' 5" <br />16 51' 10" 41' 2" 35' 11" 32' 2" 28' 1" 23' 8" 29' 2" 25' 6" 21' 6" 27' 1" 23' 8" 20' 0" 25' 6" 22' 3" 18' 10" 24' 3" 21' 2" 17' 10" 23' 2" 20' 3" 17' 1" 21' 3" 18' 10" 15' 10" <br />24 45' 4" 35' 11" 31' 5" 28' 1" 24' 6" 20' 8" 25' 6" 22' 3" 18' 10" 23' 8" 20' 8" 17' 5" 22' 3" 19' 6" 16' 5" 20' 9" 18' 6" 15' 7" 19' 5" 17' 8" 14' 11" 17' 4" 16' 5" 13' 10" <br />800S200-68 50 <br />12 59' 9" 47' 5" 41' 5" 37' 0" 32' 4" 27' 4" 33' 8" 29' 5" 24' 10" 31' 3" 27' 4" 23' 0" 29' 5" 25' 8" 21' 8" 27' 11" 24' 5" 20' 7" 26' 9" 23' 4" 19' 8" 24' 10" 21' 8" 18' 3" <br />16 54' 4" 43' 1" 37' 8" 33' 8" 29' 5" 24' 10" 30' 7" 26' 9" 22' 6" 28' 5" 24' 10" 20' 11" 26' 9" 23' 4" 19' 8" 25' 4" 22' 2" 18' 8" 24' 3" 21' 2" 17' 11" 22' 6" 19' 8" 16' 7" <br />24 47' 5" 37' 8" 32' 11" 29' 5" 25' 8" 21' 8" 26' 9" 23' 4" 19' 8" 24' 10" 21' 8" 18' 3" 23' 4" 20' 5" 17' 2" 22' 2" 19' 4" 16' 4" 21' 2" 18' 6" 15' 7" 19' 1"e 17' 2" 14' 6" <br />800S137-97 50 <br />12 60' 10" 48' 4" 42' 2" 37' 9" 32' 11" 27' 10" 34' 3" 29' 11" 25' 3" 31' 10" 27' 10" 23' 5" 29' 11" 26' 2" 22' 1" 28' 5" 24' 10" 20' 11" 27' 2" 23' 9" 20' 1" 25' 3" 22' 1" 18' 7" <br />16 55' 4" 43' 11" 38' 4" 34' 3" 29' 11" 25' 3" 31' 2" 27' 2" 22' 11" 28' 11" 25' 3" 21' 4" 27' 2" 23' 9" 20' 1" 25' 10" 22' 7" 19' 0" 24' 9" 21' 7" 18' 3" 22' 11" 20' 1" 16' 11" <br />24 48' 4" 38' 4" 33' 6" 29' 11" 26' 2" 22' 1" 27' 2" 23' 9" 20' 1" 25' 3" 22' 1" 18' 7" 23' 9" 20' 9" 17' 6" 22' 7" 19' 9" 16' 8" 21' 7" 18' 10" 15' 11" 20' 1" 17' 6" 14' 9" <br />800S162-97 50 <br />12 63' 5" 50' 4" 43' 11" 39' 3" 34' 4" 28' 11" 35' 8" 31' 2" 26' 4" 33' 2" 28' 11" 24' 5" 31' 2" 27' 3" 23' 0" 29' 7" 25' 11" 21' 10" 28' 4" 24' 9" 20' 10" 26' 4" 23' 0" 19' 5" <br />16 57' 7" 45' 9" 39' 11" 35' 8" 31' 2" 26' 4" 32' 5" 28' 4" 23' 11" 30' 1" 26' 4" 22' 2" 28' 4" 24' 9" 20' 10" 26' 11" 23' 6" 19' 10" 25' 9" 22' 6" 19' 0" 23' 11" 20' 10" 17' 7" <br />24 50' 4" 39' 11" 34' 11" 31' 2" 27' 3" 23' 0" 28' 4" 24' 9" 20' 10" 26' 4" 23' 0" 19' 5" 24' 9" 21' 7" 18' 3" 23' 6" 20' 6" 17' 4" 22' 6" 19' 8" 16' 7" 20' 10" 18' 3" 15' 5" <br />800S200-97 50 <br />12 66' 6" 52' 9" 46' 1" 41' 2" 36' 0" 30' 4" 37' 5" 32' 8" 27' 7" 34' 9" 30' 4" 25' 7" 32' 8" 28' 7" 24' 1" 31' 1" 27' 2" 22' 11" 29' 9" 25' 11" 21' 11" 27' 7" 24' 1" 20' 4" <br />16 60' 5" 47' 11" 41' 11" 37' 5" 32' 8" 27' 7" 34' 0" 29' 9" 25' 1" 31' 7" 27' 7" 23' 3" 29' 9" 25' 11" 21' 11" 28' 3" 24' 8" 20' 10" 27' 0" 23' 7" 19' 11" 25' 1" 21' 11" 18' 6" <br />24 52' 9" 41' 11" 36' 7" 32' 8" 28' 7" 24' 1" 29' 9" 25' 11" 21' 11" 27' 7" 24' 1" 20' 4" 25' 11" 22' 8" 19' 1" 24' 8" 21' 6" 18' 2" 23' 7" 20' 7" 17' 5" 21' 11" 19' 1" 16' 2" <br />800S162-118 50 <br />12 67' 1" 53' 3" 46' 6" 41' 7" 36' 4" 30' 8" 37' 9" 33' 0" 27' 10" 35' 1" 30' 8" 25' 10" 33' 0" 28' 10" 24' 4" 31' 4" 27' 5" 23' 1" 30' 0" 26' 2" 22' 1" 27' 10" 24' 4" 20' 6" <br />16 60' 11" 48' 4" 42' 3" 37' 9" 33' 0" 27' 10" 34' 4" 30' 0" 25' 3" 31' 10" 27' 10" 23' 6" 30' 0" 26' 2" 22' 1" 28' 6" 24' 10" 21' 0" 27' 3" 23' 9" 20' 1" 25' 3" 22' 1" 18' 8" <br />24 53' 3" 42' 3" 36' 11" 33' 0" 28' 10" 24' 4" 30' 0" 26' 2" 22' 1" 27' 10" 24' 4" 20' 6" 26' 2" 22' 11" 19' 4" 24' 10" 21' 9" 18' 4" 23' 9" 20' 9" 17' 6" 22' 1" 19' 4" 16' 3" <br />800S200-118 50 <br />12 70' 5" 55' 11" 48' 10" 43' 8" 38' 2" 32' 2" 39' 8" 34' 8" 29' 3" 36' 10" 32' 2" 27' 1" 34' 8" 30' 3" 25' 6" 32' 11" 28' 9" 24' 3" 31' 6" 27' 6" 23' 2" 29' 3" 25' 6" 21' 6" <br />16 64' 0" 50' 9" 44' 4" 39' 8" 34' 8" 29' 3" 36' 0" 31' 6" 26' 7" 33' 5" 29' 3" 24' 8" 31' 6" 27' 6" 23' 2" 29' 11" 26' 1" 22' 0" 28' 7" 25' 0" 21' 1" 26' 7" 23' 2" 19' 7" <br />24 55' 11" 44' 4" 38' 9" 34' 8" 30' 3" 25' 6" 31' 6" 27' 6" 23' 2" 29' 3" 25' 6" 21' 6" 27' 6" 24' 0" 20' 3" 26' 1" 22' 10" 19' 3" 25' 0" 21' 10" 18' 5" 23' 2" 20' 3" 17' 1" <br />"e" web stiffeners required at ends. <br />See Table Notes on page 25.