Steel Roof Joist Span Table

Allowable limiting heights spans contact clarkdietrich technical services at 888 437 3244 for any questions on tables below.

Steel roof joist span table.

K kcs lh dlh and slh. 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. Typically used in non residential construction steel joists and joist girders provide an economical system for supporting floors and roofs. T radeready s teel joist span tables are to be utilized in conjunction with the notes below.

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. Download our steel joists and steel deck load tables to facilitate the design of your next project featuring new millennium products. 1 spans are based on continuous lateral support of the compression flange. Interior framing use iprostud in clarkdietrich itools to quickly lookup the interior framing system you need.

Spans are based upon continuous support of compression flange over the full length of the joist. Dietrich metal framing shall in no way be deemed to assume any professional responsibility and hereby disclaims any and all such liability or obligation. Prostud limiting height charts new clarkdietrich itools structural stud lookup tool interior wall heights w structural framing interior. Span calculator for wood joists and rafters also available for the android os.

These joists are typically used in roof. Calculated allowable properties are based upon aisi s100 07 north american specification for the design of cold formed steel structural members. Each load table was accompanied by notes and instructions covering assumptions and other important information. Rafter spans can be extended slightly beyond what the rafter tables suggest when there is a cantelever extending beyond the supporting wall.

In depth catalogs feature the latest information and are available in convenient interactive pdf format. All vulcraft joists and joist girders are designed and manufactured in accordance to the exacting specifications of the steel joist institute. 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. Joists are separated by type and designated by letters.

Ceiling joist span use this table to determine the maximum lengths of ceiling joists based on species of lumber joist spacing and joist size. The k and kcs joists are used for shorter span conditions where lighter loads are required. Load table pdfs are best viewed in adobe acrobat reader.