Laserfiche WebLink
www.SSMA.com62 Copyright © 2022 by the SSMA <br />Ceiling/Soffit Spans (S-Sections) <br />Interior Allowable Ceiling/Soffit Spans (S-Sections) - L/240 <br />Section Fy (ksi) <br />4 psf 6 psf 13 psf * <br />Lateral Support of Compression Flange Lateral Support of Compression Flange Lateral Support of Compression Flange <br />Unsupported Midspan Unsupported Midspan Unsupported Midspan <br />Joist Spacing (in) on center Joist Spacing (in) on center Joist Spacing (in) on center Joist Spacing (in) on center Joist Spacing (in) on center Joist Spacing (in) on center <br />12 16 24 12 16 24 12 16 24 12 16 24 12 16 24 12 16 24 <br />162S125-18 33 7' 3" 6' 7" 5' 10" 8' 6" 7' 8" 6' 7" 6' 5" 5' 10" 5' 1" 7' 4" 6' 7" 5' 9" 5' 0" 4' 5" 3' 9" 5' 7" 4' 10" 3' 11" 162S125-27 33 8' 7" 7' 11" 7' 1" 9' 8" 8' 10" 7' 8" 7' 8" 7' 1" 6' 3" 8' 6" 7' 8" 6' 8" 6' 1" 5' 6" 4' 9" 6' 6" 5' 11" 5' 2" <br />162S125-30 33 9' 0" 8' 3" 7' 4" 10' 0" 9' 1" 7' 11" 8' 0" 7' 4" 6' 7" 8' 9" 7' 11" 6' 11" 6' 5" 5' 10" 5' 0" 6' 9" 6' 1" 5' 4" <br />162S125-33 33 9' 6" 8' 8" 7' 8" 10' 4" 9' 5" 8' 2" 8' 4" 7' 8" 6' 10" 9' 0" 8' 2" 7' 2" 6' 8" 6' 1" 5' 4" 7' 0" 6' 4" 5' 6" <br />162S137-27 33 9' 11" 9' 2" 8' 0" 10' 1" 9' 2" 8' 0" 8' 10" 8' 0" 7' 0" 8' 10" 8' 0" 7' 0" 6' 10" 6' 2" 5' 5" 6' 10" 6' 2" 5' 5" <br />162S137-30 33 10' 4" 9' 6" 8' 3" 10' 5" 9' 6" 8' 3" 9' 1" 8' 3" 7' 3" 9' 1" 8' 3" 7' 3" 7' 0" 6' 5" 5' 7" 7' 0" 6' 5" 5' 7" 162S137-33 33 10' 9" 9' 9" 8' 7" 10' 9" 9' 9" 8' 7" 9' 5" 8' 7" 7' 6" 9' 5" 8' 7" 7' 6" 7' 3" 6' 7" 5' 9" 7' 3" 6' 7" 5' 9" <br />250S125-18 33 8' 5" 7' 9" 6' 11" 11' 7" 10' 6" 9' 1" 7' 6" 6' 11" 6' 2" 10' 1" 9' 1" 7' 8" 6' 0" 5' 6" 4' 10"e 7' 5" 6' 3"e 5' 2"e250S125-27 33 9' 8" 8' 11" 8' 0" 13' 5" 12' 2" 10' 7" 8' 8" 8' 0" 7' 2" 11' 8" 10' 7" 9' 3" 7' 0" 6' 6" 5' 9" 9' 0" 8' 2" 6' 10" 250S125-30 33 10' 1" 9' 3" 8' 3" 13' 10" 12' 7" 10' 11" 9' 0" 8' 3" 7' 5" 12' 1" 10' 11" 9' 7" 7' 3" 6' 8" 6' 0" 9' 4" 8' 5" 7' 3" 250S125-33 33 10' 6" 9' 8" 8' 7" 14' 3" 13' 0" 11' 4" 9' 4" 8' 7" 7' 8" 12' 6" 11' 4" 9' 11" 7' 6" 6' 11" 6' 2" 9' 7" 8' 9" 7' 7" 250S125-43 33 11' 9" 10' 10" 9' 7" 15' 6" 14' 1" 12' 4" 10' 5" 9' 7" 8' 6" 13' 7" 12' 4" 10' 9" 8' 4" 7' 8" 6' 10" 10' 6" 9' 6" 8' 4" <br />250S137-27 33 11' 0" 10' 2" 9' 2" 14' 0" 12' 9" 11' 1" 9' 10" 9' 2" 8' 2" 12' 3" 11' 1" 9' 9" 8' 0" 7' 5" 6' 8" 9' 6" 8' 7" 7' 6" <br />250S137-30 33 11' 5" 10' 6" 9' 5" 14' 5" 13' 2" 11' 6" 10' 2" 9' 5" 8' 5" 12' 8" 11' 6" 10' 0" 8' 3" 7' 8" 6' 10" 9' 9" 8' 10" 7' 9" <br />250S137-33 33 11' 10" 10' 11" 9' 9" 14' 11" 13' 7" 11' 10" 10' 7" 9' 9" 8' 9" 13' 1" 11' 10" 10' 4" 8' 7" 7' 11" 7' 1" 10' 1" 9' 2" 8' 0" <br />250S137-43 33 13' 3" 12' 2" 10' 10" 16' 3" 14' 9" 12' 11" 11' 9" 10' 10" 9' 7" 14' 2" 12' 11" 11' 3" 9' 5" 8' 8" 7' 9" 10' 11" 9' 11" 8' 8" <br />250S162-33 33 13' 6" 12' 5" 11' 2" 15' 8" 14' 3" 12' 5" 12' 1" 11' 2" 10' 0" 13' 8" 12' 5" 10' 10" 9' 10" 9' 1" 8' 1" 10' 7" 9' 7" 8' 5" 250S162-43 33 15' 0" 13' 9" 12' 3" 17' 1" 15' 6" 13' 6" 13' 4" 12' 3" 10' 11" 14' 11" 13' 6" 11' 10" 10' 9" 9' 11" 8' 10" 11' 6" 10' 5" 9' 2" <br />350S125-18 33 9' 2" 8' 6" 7' 6" 12' 6" 11' 5" 9' 11" 8' 3" 7' 6" 6' 8" 11' 0" 9' 11" 8' 5"e 6' 6" 5' 11"e 5' 3"e 8' 2"e 7' 2"e 6' 0"e350S125-27 33 10' 7" 9' 9" 8' 9" 14' 11" 13' 9" 12' 3" 9' 5" 8' 9" 7' 9" 13' 4" 12' 3" 10' 7" 7' 7" 7' 1" 6' 4" 10' 4" 9' 3" 7' 9" 350S125-30 33 10' 11" 10' 1" 9' 0" 15' 5" 14' 2" 12' 9" 9' 9" 9' 0" 8' 1" 13' 9" 12' 9" 11' 2" 7' 11" 7' 3" 6' 6" 10' 11" 9' 9" 8' 3" 350S125-33 33 11' 4" 10' 5" 9' 4" 16' 0" 14' 9" 13' 2" 10' 1" 9' 4" 8' 4" 14' 3" 13' 2" 11' 9" 8' 2" 7' 7" 6' 9" 11' 5" 10' 4" 8' 10" 350S125-43 33 12' 7" 11' 7" 10' 4" 17' 7" 16' 3" 14' 6" 11' 2" 10' 4" 9' 2" 15' 8" 14' 6" 12' 11" 9' 0" 8' 3" 7' 5" 12' 7" 11' 6" 10' 1" <br />350S137-27 33 11' 11" 11' 0" 9' 11" 17' 0" 15' 9" 14' 1" 10' 8" 9' 11" 8' 11" 15' 3" 14' 1" 12' 4" 8' 8" 8' 1" 7' 3" 11' 11" 10' 7" 8' 11"e <br />350S137-30 33 12' 4" 11' 5" 10' 3" 17' 7" 16' 3" 14' 7" 11' 0" 10' 3" 9' 2" 15' 9" 14' 7" 12' 10" 9' 0" 8' 4" 7' 6" 12' 6" 11' 3" 9' 6" <br />350S137-33 33 12' 9" 11' 10" 10' 7" 18' 2" 16' 9" 15' 1" 11' 5" 10' 7" 9' 6" 16' 3" 15' 1" 13' 4" 9' 3" 8' 7" 7' 8" 13' 0" 11' 9" 10' 0" <br />350S137-43 33 14' 2" 13' 0" 11' 7" 19' 10" 18' 4" 16' 5" 12' 7" 11' 7" 10' 4" 17' 9" 16' 5" 14' 7" 10' 2" 9' 4" 8' 5" 14' 2" 12' 11" 11' 3" <br />350S162-33 33 14' 6" 13' 5" 12' 1" 20' 3" 18' 5" 16' 1" 13' 0" 12' 1" 10' 10" 17' 9" 16' 1" 14' 1" 10' 7" 9' 10" 8' 10" 13' 8" 12' 5" 10' 10" 350S162-43 33 16' 0" 14' 9" 13' 2" 22' 1" 20' 0" 17' 6" 14' 3" 13' 2" 11' 9" 19' 3" 17' 6" 15' 3" 11' 6" 10' 8" 9' 7" 14' 11" 13' 6" 11' 10" <br />362S125-18 33 9' 3" 8' 7" 7' 7" 12' 8" 11' 7" 10' 0" 8' 4" 7' 7" 6' 9" 11' 1" 10' 0" 8' 6"e 6' 7" 6' 0"e 5' 4"e 8' 3"e 7' 4"e 6' 1"e362S125-27 33 10' 8" 9' 10" 8' 10" 15' 0" 13' 11" 12' 4" 9' 6" 8' 10" 7' 10" 13' 5" 12' 4" 10' 9" 7' 8" 7' 1" 6' 5" 10' 5" 9' 4" 7' 11" 362S125-30 33 11' 0" 10' 2" 9' 1" 15' 6" 14' 4" 12' 10" 9' 10" 9' 1" 8' 2" 13' 11" 12' 10" 11' 4" 8' 0" 7' 4" 6' 7" 11' 0" 9' 11" 8' 5" 362S125-33 33 11' 5" 10' 7" 9' 5" 16' 2" 14' 10" 13' 3" 10' 3" 9' 5" 8' 5" 14' 5" 13' 3" 11' 10" 8' 3" 7' 8" 6' 10" 11' 7" 10' 6" 9' 0" 362S125-43 33 12' 8" 11' 8" 10' 5" 17' 9" 16' 5" 14' 8" 11' 3" 10' 5" 9' 3" 15' 10" 14' 8" 13' 0" 9' 1" 8' 4" 7' 6" 12' 9" 11' 8" 10' 2" 362S137-27 33 12' 0" 11' 2" 10' 0" 17' 2" 15' 11" 14' 3" 10' 10" 10' 0" 9' 0" 15' 5" 14' 3" 12' 6" 8' 9" 8' 2" 7' 4" 12' 1" 10' 9" 9' 1"e <br />362S137-30 33 12' 5" 11' 6" 10' 4" 17' 8" 16' 5" 14' 8" 11' 2" 10' 4" 9' 3" 15' 10" 14' 8" 13' 0" 9' 1" 8' 5" 7' 6" 12' 8" 11' 5" 9' 8" <br />362S137-33 33 12' 11" 11' 11" 10' 8" 18' 4" 16' 11" 15' 2" 11' 6" 10' 8" 9' 7" 16' 5" 15' 2" 13' 6" 9' 4" 8' 8" 7' 9" 13' 2" 11' 11" 10' 2" <br />362S137-43 33 14' 3" 13' 2" 11' 8" 20' 0" 18' 6" 16' 7" 12' 8" 11' 8" 10' 5" 17' 11" 16' 7" 14' 9" 10' 3" 9' 5" 8' 6" 14' 5" 13' 2" 11' 5" <br />362S162-33 33 14' 8" 13' 7" 12' 2" 20' 10" 18' 11" 16' 6" 13' 2" 12' 2" 10' 11" 18' 2" 16' 6" 14' 5" 10' 8" 9' 11" 8' 11" 14' 1" 12' 9" 11' 2" 362S162-43 33 16' 2" 14' 11" 13' 4" 22' 8" 20' 7" 18' 0" 14' 5" 13' 4" 11' 11" 19' 10" 18' 0" 15' 9" 11' 8" 10' 9" 9' 8" 15' 4" 13' 11" 12' 2" <br />400S125-18 33 9' 6"e 8' 9"e 7' 10"e 13' 0"e 11' 11"e 10' 5"e 8' 6"e 7' 10"e 6' 11"e 11' 6"e 10' 5"e 8' 11"e 6' 9"e 6' 2"e 5' 6"e 8' 7"e 7' 8"e 6' 5"e400S125-27 33 10' 11" 10' 1" 9' 1" 15' 5" 14' 3" 12' 9" 9' 9" 9' 1" 8' 1" 13' 10" 12' 9" 11' 2" 7' 11" 7' 4" 6' 7" 10' 10" 9' 9" 8' 3" 400S125-30 33 11' 4" 10' 5" 9' 4" 16' 0" 14' 9" 13' 2" 10' 1" 9' 4" 8' 4" 14' 3" 13' 2" 11' 9" 8' 2" 7' 7" 6' 9" 11' 5" 10' 4" 8' 9" 400S125-33 33 11' 9" 10' 10" 9' 8" 16' 7" 15' 3" 13' 8" 10' 6" 9' 8" 8' 8" 14' 9" 13' 8" 12' 2" 8' 6" 7' 10" 7' 0" 11' 11" 10' 11" 9' 4" 400S125-43 33 13' 0" 12' 0" 10' 8" 18' 3" 16' 10" 15' 0" 11' 7" 10' 8" 9' 6" 16' 3" 15' 0" 13' 5" 9' 4" 8' 7" 7' 8" 13' 1" 12' 0" 10' 7" 400S137-27 33 12' 4" 11' 5" 10' 3" 17' 7" 16' 4" 14' 8" 11' 1" 10' 3" 9' 2" 15' 10" 14' 8" 13' 0" 9' 0" 8' 4" 7' 6" 12' 7" 11' 3" 9' 6"e <br />400S137-30 33 12' 9" 11' 10" 10' 7" 18' 2" 16' 10" 15' 1" 11' 5" 10' 7" 9' 6" 16' 4" 15' 1" 13' 5" 9' 3" 8' 7" 7' 9" 13' 1" 11' 10" 10' 1" <br />400S137-33 33 13' 3" 12' 3" 10' 11" 18' 9" 17' 4" 15' 7" 11' 10" 10' 11" 9' 10" 16' 10" 15' 7" 13' 11" 9' 7" 8' 11" 8' 0" 13' 7" 12' 4" 10' 8" <br />400S137-43 33 14' 7" 13' 6" 12' 0" 20' 7" 19' 0" 17' 0" 13' 0" 12' 0" 10' 9" 18' 4" 17' 0" 15' 2" 10' 6" 9' 8" 8' 8" 14' 10" 13' 7" 11' 10" <br />400S162-33 33 15' 0" 13' 11" 12' 6" 21' 5" 19' 10" 17' 9" 13' 6" 12' 6" 11' 2" 19' 3" 17' 9" 15' 7" 10' 11" 10' 2" 9' 1" 15' 2" 13' 9" 11' 9" 400S162-43 33 16' 7" 15' 3" 13' 8" 23' 4" 21' 7" 19' 4" 14' 9" 13' 8" 12' 2" 20' 11" 19' 4" 16' 11" 11' 11" 11' 0" 9' 11" 16' 6" 15' 0" 13' 1" <br />600S125-27 33 12' 5"e 11' 6"e 10' 4"e 17' 11"e 16' 6"e 14' 9"e 11' 2"e 10' 4"e 9' 4"e 16' 0"e 14' 9"e 13' 2"e 9' 2"e 8' 6"e 7' 7"e 12' 11"e 11' 10"e 10' 4"e600S125-30 33 12' 9" 11' 10" 10' 8" 18' 5" 17' 1" 15' 3" 11' 6" 10' 8" 9' 7" 16' 7" 15' 3" 13' 8" 9' 5" 8' 9" 7' 10" 13' 4" 12' 4" 10' 11"e600S125-33 33 13' 2" 12' 3" 11' 0" 18' 11" 17' 7" 15' 10" 11' 10" 11' 0" 9' 10" 17' 0" 15' 10" 14' 2" 9' 8" 8' 11" 8' 1" 13' 10" 12' 9" 11' 5" 600S125-43 33 14' 6" 13' 4" 11' 11" 20' 6" 19' 0" 17' 0" 12' 11" 11' 11" 10' 8" 18' 4" 17' 0" 15' 3" 10' 5" 9' 8" 8' 8" 15' 0" 13' 11" 12' 6" 600S137-27 33 14' 0"e 13' 0"e 11' 9"e 20' 2"e 18' 8"e 16' 9"e 12' 7"e 11' 9"e 10' 6"e 18' 1"e 16' 9"e 15' 0"e 10' 4"e 9' 7"e 8' 7"e 14' 8"e 13' 7"e 11' 10"e600S137-30 33 14' 5" 13' 4" 12' 0" 20' 10" 19' 3" 17' 3" 13' 0" 12' 0" 10' 10" 18' 8" 17' 3" 15' 6" 10' 7" 9' 10" 8' 10" 15' 2" 14' 0" 12' 5"e <br />600S137-33 33 14' 11" 13' 9" 12' 5" 21' 5" 19' 10" 17' 10" 13' 4" 12' 5" 11' 2" 19' 3" 17' 10" 16' 0" 10' 11" 10' 2" 9' 2" 15' 8" 14' 6" 12' 11"e <br />600S137-43 33 16' 3" 15' 0" 13' 5" 23' 1" 21' 5" 19' 3" 14' 6" 13' 5" 12' 0" 20' 9" 19' 3" 17' 4" 11' 9" 10' 11" 9' 10" 16' 11" 15' 9" 14' 2" <br />600S162-33 33 16' 11" 15' 8" 14' 1" 24' 5" 22' 8" 20' 5" 15' 2" 14' 1" 12' 8" 22' 0" 20' 5" 18' 5" 12' 5" 11' 7" 10' 5" 18' 0" 16' 8" 14' 9"e600S162-43 33 18' 5" 17' 0" 15' 3" 26' 4" 24' 4" 21' 11" 16' 6" 15' 3" 13' 8" 23' 8" 21' 11" 19' 9" 13' 5" 12' 5" 11' 2" 19' 4" 17' 11" 16' 0" <br />*Loads that exceed 10 psf limit require an approved CP60 coating. <br />"e" web stiffeners required at ends. <br />See Table Notes and figures on page 61.