Span calculator for wood joists and rafters also available for the android os.
Tji roof span chart.
Design information for all joists tji joist floor framing 24 rim board selection and installation 25 floor details 26 27 roof framing 28 roof details 29 30 cut length calculation 31 material weights and.
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 wl4 2 el 2 67 wl2 d x 105 for tji 560 joists δ 22 5 wl4 el 2 29 wl d x 105 material weights include tji weights in dead load calculations.
Design shear is computed at the inside face of supports and includes all loads on the span s.
Secondly the ceiling joists and end connections will require further consideration if thrust loads from a conventionally framed rafter roof system are present.
The link below provides additional information and span tables for tji joists in ceiling applications.
Roof span and load tables 19 cantilevers 20 21 framing connectors 22 23 section 3.
Tb 824 ceiling joist.