Table r802 4 1 ceiling joist spans for common lumber species uninhabitable attics without storage live load 10 psf l δ 240.
Steel roof joist span table.
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.
For other grades and species and for other loading conditions refer to the awc stjr.
Download our steel joists and steel deck load tables to facilitate the design of your next project featuring new millennium products.
Span calculator for wood joists and rafters also available for the android os.
Rafter spans can be extended slightly beyond what the rafter tables suggest when there is a cantelever extending beyond the supporting wall.
S pan table notes.
Typically used in non residential construction steel joists and joist girders provide an economical system for supporting floors and roofs.
Load table pdfs are best viewed in adobe acrobat reader.
Also available for the android os.
Each load table was accompanied by notes and instructions covering assumptions and other important information.
These joists are typically used in roof.
All vulcraft joists and joist girders are designed and manufactured in accordance to the exacting specifications of the steel joist institute.
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Allowable limiting heights spans contact clarkdietrich technical services at 888 437 3244 for any questions on tables below.
In depth catalogs feature the latest information and are available in convenient interactive pdf format.
Prostud limiting height charts new clarkdietrich itools structural stud lookup tool interior wall heights w structural framing interior.
Ceiling joist span use this table to determine the maximum lengths of ceiling joists based on species of lumber joist spacing and joist size.
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.
K kcs lh dlh and slh.
Spans are based upon continuous support of compression flange over the full length of the joist.
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.
Joists are separated by type and designated by letters.
The k and kcs joists are used for shorter span conditions where lighter loads are required.
Spans for ceiling joists shall be in accordance with tables r802 4 1 and r802 4 2.
