Wood species spacing o c ss grade 1 grade 2 grade 3 grade.
Floor joist dimensional lumber span chart.
This table is for residential construction only and is meant only for the purposes of initial estimation.
Floor joist span tables for various sizes and species of wood.
Clayton f 8 10 2017 11 31 11 pm reply.
How does the beam span chart calculate if your joists hang over the beam 1 or 2 feet.
Looks like half the allowable beam span is suggested in the chart.
Douglas t 2 12 2017 9 58 35 pm reply.
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.
Data taken from cmhc wood frame house construction tables notes.