Floor Span Chart

Our floor joist span tables are based on loadings given in the newer amended version of bs 6399 1.
Floor span chart. Floor span and load tables 7 8 tips for preventing floor noise 8 allowable holes 9 cantilevers 10 11 roof span and load tables 12 13 framing connectors 14 15 section 2. 1 psf lb f ft 2 47 88 n m 2. This means that some values are slightly more conservative than span tables from other sources if those do not include the amended guidance. Geometry loading spacing bearing conditions etc.
The table excerpt above is simply a sample and may not be valid for your region. Floor joist span tables for various sizes and species of wood. A double 2x12 beam can span 12 feet. 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.
Sample floor joist span table. Also available for the android os. Listed are 46 tables based on common loading conditions for floor joists ceiling joists and rafters. View joist rafter tables.
Simplified maximum span tables for selected visual and mechanical grades of southern pine lumber in sizes 2 4 thru 2 12. Looking at this table you will see there is a choice in the size of floor joist 2 x 6 2 x 8 2 x 10 or 2 x 12 and there is a choice in the joist spacing 12 16 or 14. A 2 2x10 can span 10 feet and so on. Span tables below illustrate common combinations of the multiple variables available.
Roof rafter span use this table to determine the maximum lengths of roof rafters based on species and grade of lumber spacing dimensions load and slope. 2 grade of douglas fir are indicated below. Dimensional lumber deck beam span chart. Span tables for domestic floor joists to bs 5268 7 1 note.
Floor truss span chart each individual floor truss design is unique based on multiple variables. The numbers in gray indicate the distance between the support posts. Live load is weight of furniture wind snow and more. Span calculator for wood joists and rafters also available for the android os.
1 ft 0 3048 m. Maximum floor joist span for no. 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.