Floor Joist Dimensional Lumber Span Chart

Also available for the android os.
Floor joist dimensional lumber span chart. 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. Floor joist span tables for various sizes and species of wood. Looks like half the allowable beam span is suggested in the chart.
How does the beam span chart calculate if your joists hang over the beam 1 or 2 feet. This table is for residential construction only and is meant only for the purposes of initial estimation. Span calculator for wood joists and rafters also available for the android os. Douglas t 2 12 2017 9 58 35 pm reply.
Cam s 6 25 2017 10 41 46 pm reply.