Floor Joist Wood Beam Span Calculator

To use the joist span calculator below first select the species of lumber you will use for your construction project from the drop down list.

Floor joist wood beam span calculator.

The spans for joists according to the code is far more than we find acceptable. Use the span tables below to determine allowable lengths of joists and rafters based on size and standard design loads. On longer spans the beam may require much more bearing space as indicated by this table. This means that some values are slightly more conservative than span tables from other sources if those do not include the amended guidance.

Calculate the span for floor and ceiling joist with this free and simple online calculator. Anything 5 and above we always at least double cripple. According to the 2012 irc codes any beam joist or header shall never have a bearing of less than 1 1 2. Deck joist span chart twhouse org.

Floor joist span calculator. Joist calculator tutorial you. Engineered wood products ewp span and size charts for bci joists. The widest span in the floor joist span table in part 2 of this tutorial module showed that floor joists can span 17 2 if they are 2 x 12s spaced 12 o c.

Let s expand our house beyond that 17 2 span capability to 24 feet wide. Next use the buttons in the table to select the maximum length in feet or metres in brackets that your floor joists must span. Also available for the android os. Designing with wood beam span tables.

Span calculator for wood joists and rafters also available for the android os. Span tables for deck joists beams and flooring giving. You can also use the wood beam calculator from the american wood council website to determine maximum rafter and joist lengths. The resulting spans are less than the 2012 irc codes but they are to our standards at scott s framing.

Wood beams maximum span calculator for. Our floor joist span tables are based on loadings given in the newer amended version of bs 6399 1. Span tables for domestic floor joists to bs 5268 7 1 note. 2x6 over a 14 span doityourself community forums.

While every effort has been made to insure the accuracy of the information presented and special effort has been made to assure that the information reflects the state of the art neither the west coast lumber inspection bureau the american wood council nor its members assume any responsibility for any particular design prepared from this online span calculator. Floor joist span tables calculator.