Steel Roof Joist Span Table

The k and kcs joists are used for shorter span conditions where lighter loads are required.

Steel roof joist span table.

Calculated allowable properties are based upon aisi s100 07 north american specification for the design of cold formed steel structural members. Dietrich metal framing shall in no way be deemed to assume any professional responsibility and hereby disclaims any and all such liability or obligation. Span calculator for wood joists and rafters also available for the android os. These joists are typically used in roof.

Bridging selection table for kcs joists joist designation bridging table section number joist designation bridging table section number osha tables a and b erection bridging joist span span joist 12k1 23 0 30k9 45 0 14k1 27 0 30k10 50 0 16k2 29 0 30k11 52 16k3 30 0 30k12 54 0 16k4 32 0 18kcs2 35 0. Spans are based upon continuous support of compression flange over the full length of the joist. Rafter spans can be extended slightly beyond what the rafter tables suggest when there is a cantelever extending beyond the supporting wall. Typically used in non residential construction steel joists and joist girders provide an economical system for supporting floors and roofs.

Each load table was accompanied by notes and instructions covering assumptions and other important information. For an in depth review of all of this information the sji suggests the current compilation of all years specifications and load tables 90 years of open web steel joist construction available on this site at 90 years. All vulcraft joists and joist girders are designed and manufactured in accordance to the exacting specifications of the steel joist institute. For two equal spans the listed span is the center to center distance from either end to the center support with the joist continuous over the center support.

Allowable limiting heights spans contact clarkdietrich technical services at 888 437 3244 for any questions on tables below. Interior framing use iprostud in clarkdietrich itools to quickly lookup the interior framing system you need. Ceiling joist span use this table to determine the maximum lengths of ceiling joists based on species of lumber joist spacing and joist size. Standard asd load table open web steel joists k series based on a 50 ksi maximum yield strength adopted by the steel joist institute november 4 1985 revised to may 18 2010 effective december 31 2010 the black figures in the load table give the total safe uniformly distributed load carrying capacities in pounds per.

Load table pdfs are best viewed in adobe acrobat reader. Download our steel joists and steel deck load tables to facilitate the design of your next project featuring new millennium products. In depth catalogs feature the latest information and are available in convenient interactive pdf format. K kcs lh dlh and slh.

Also available for the android os. T radeready s teel joist span tables are to be utilized in conjunction with the notes below. Joists are separated by type and designated by letters.