Steel Roof Joist Span Tables

Open web steel joists are an engineered truss like construction component used to support loads over short and long spans alike.

Steel roof joist span tables. Prostud limiting height charts new clarkdietrich itools structural stud lookup tool interior wall heights w structural framing interior. Typically used in non residential construction steel joists and joist girders provide an economical system for supporting floors and roofs. Rafter spans can be extended slightly beyond what the rafter tables suggest when there is a cantelever extending beyond the supporting wall. For two equal spans the listed span is the center to center distance from either end to the center support.

Steel joists joist girders. Calculated allowable properties are based upon aisi s100 07 north american specification for the design of cold formed steel structural members. Allowable limiting heights spans contact clarkdietrich technical services at 888 437 3244 for any questions on tables below. Table notes spans are based upon continuous support of compression flange over the full length of the joist.

These tables originally appeared in the steel joist institute specifications and load tables commonly referred to as a catalog beginning with the first edition published in 1932. Ceiling joist span use this table to determine the maximum lengths of ceiling joists based on species of lumber joist spacing and joist size. Download our steel joists and steel deck load tables to facilitate the design of your next project featuring new millennium products. Each load table was accompanied by notes and instructions covering assumptions and other important information.