Joist span table use these tables to determine floor joist spans based on grade of lumber size of joist floor joist spacing and a live load of 30 lbs ft 2 or 40 lbs ft 2 these tables can also be used to determine deck joist span.
Floor joist steel joist span table.
The floor joist span tables are based on the loadings given in the amended version of bs 6399 1 which is an imposed load of either a uniformly distributed load of 1 5 kn m or a concentrated load of 1 4 kn.
Of bearings and is based on uniformly loaded joists.
Floor joist span tables for various sizes and species of wood.
2 web crippling capacity is based on a minimum bearing length of 3 5.
The minimum bearing length is 1 spans values in bold indicate that web stiffeners are required at the osb end panel.
The minimum available tradeready rim track thickness is used.
For two equal spans the listed span is the center to center distance from either end to the center support.
The maximum span is measured o c.
S pan table notes.
Calculated allowable properties are based upon aisi s100 07 north american specification for the design of cold formed steel structural members.
Table notes spans are based upon continuous support of compression flange over the full length of the joist.
Interior framing use iprostud in clarkdietrich itools to quickly lookup the interior framing system you need.
Teel joist span tables are to be utilized in conjunction with the notes below.
Allowable limiting heights spans contact clarkdietrich technical services at 888 437 3244 for any questions on tables below.
1 spans are based on continuous lateral support of the compression flange.