Rafter Span Floor Joist Span Table

Span tables for domestic floor joists to bs 5268 7 1 note.

Rafter span floor joist span table.

Span tables for jois ts and rafters american wood council 4 span tables for joists and rafters american wood council design criteria. Also available for the android os. Strength live load of 30 psf plus dead load of 10 psf determines the required bending design value. Our floor joist span tables are based on loadings given in the newer amended version of bs 6399 1.

Tables listing maximum spans for southern pine joists and rafters are detailed below. Deflection for 30 psf live load. These 46 tables are based upon design values for visually graded southern pine dimension lumber that became effective june 1 2013. This means that some values are slightly more conservative than span tables from other sources if those do not include the amended guidance.

Limited to span in inches divided by 360. For each application a pdf download is available. Span calculator for wood joists and rafters also available for the android os. 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.