The maximum span is measured o c.
Residential floor joist span tji span chart.
The spans are based on simple span joists.
It shows the standard span tables for tji s.
Of bearings and is based on uniformly loaded joists.
Design properties 16 floor span and load tables 17 allowable holes 18.
Types of floor joists.
Tree sawed and engineered.
Using tji span tables.
This page focuses on the tree sawed variety.
The floor joist span chart and building code requirements are based on data from the 2012 international residential code using number 2 lumber.
The following screen shot comes from the trus joist tji manual.
The tables look overwhelming but they are actually pretty simple to use.
Tji 230 joists 3 25 16 7 8 14 1 1 3 8 tji 360 joists 3 8 25 117 8 14 16 1 tji 560 joists 7 16 3 117 8 14 13 w uniform load in pounds per linear foot l span in feet d out to out depth of the joist in inches el value from table above for tji 110 210 230 and 360 joists δ 22 5 wl 4 2 el.
Joists for use in residential framing applications fall into two different categories.