Calculated allowable properties are based upon aisi s100 07 north american specification for the design of cold formed steel structural members.
Steel roof joist span table.
S pan table notes.
1 spans are based on continuous lateral support of the compression flange.
Rafter spans can be extended slightly beyond what the rafter tables suggest when there is a cantelever extending beyond the supporting wall.
In areas with mild climates patio roofs are generally designed for loads of 30 psf pounds per square foot.
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.
Typically used in non residential construction steel joists and joist girders provide an economical system for supporting floors and roofs.
For example in the rafter span table below the highlighted cell in the 40 live load table indicates that 2 x 8 southern yellow pine joists that have a grade of 2 that are spaced 24 apart can have a maximum span of 10 feet 3 inches 10 3 if designing for a live load of 40 lbs ft 2.
The tables below give maximum spans for rafters and beams.
Allowable limiting heights spans contact clarkdietrich technical services at 888 437 3244 for any questions on tables below.
Open web steel joists are an engineered truss like construction component used to support loads over short and long spans alike.
T radeready s teel joist span tables are to be utilized in conjunction with the notes below.
For two equal spans the listed span is the center to center distance from either end to the center support.
The figures are based on quality materials.
Table notes spans are based upon continuous support of compression flange over the full length of the joist.
Span calculator for wood joists and rafters also available for the android os.
Download our steel joists and steel deck load tables to facilitate the design of your next project featuring new millennium products.
Interior framing use iprostud in clarkdietrich itools to quickly lookup the interior framing system you need.
In depth catalogs feature the latest information and are available in convenient interactive pdf format.
Also available for the android os.
For heavy roofs or in areas with substantial snowfall or winds call your local building department for code requirements.
Ceiling joist span use this table to determine the maximum lengths of ceiling joists based on species of lumber joist spacing and joist size.
Design information for all joists tji joist floor framing 24.
Design properties 16 floor span and load tables 17 allowable holes 18 roof span and load tables 19 cantilevers 20 21 framing connectors 22 23 section 3.
