The link below provides additional information and span tables for tji joists in ceiling applications.
Tji roof spans.
9 16 tji joists design properties 6 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.
Engineered wood products ewp span and size charts for bci joists.
Tj 9510 installation guide for floor and roof framing with tji s31 s33 and s47 joists east canada.
I would like to use the loft as a lounge possably adding a dormer on one side of the roof.
Rafters are 2 x 6 24 oc set on 2 x 8 ridge board notched on to walls.
Walls are 8 made of 2 x4 16 oc with double top plate.
Also available for the android os.
Tj 9001 installation guide for floor and roof framing with tji 110 210 230 360 and 560 joists.
Fire safe construction 3 floor performance and tj pro rating 4 5 section 1.
Tji joist specifier s guide tj 4000 july 2019.
Secondly the ceiling joists and end connections will require further consideration if thrust loads from a conventionally framed rafter roof system are present.
Tj 9006 installation guide for deep depth tji 360 560 and 560d joists.
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 2 67 wl 4 d x 10 5 for tji 560 joists.
The tji joist were developed about 50 years ago and continue to be a great engineered wood product providing strength and consistency for high performance floor and roof structures.
Their dimensional stability helps resist the warping twisting and shrinking that can lead to squeaky floors.
Bci joists are specially constructed i joists with flanges made from strong versa lam laminated veneer lumber with oriented stranded board webs and approved waterproof structural adhesives providing outstanding strength and durability.
Tb 824 ceiling joist.
Span calculator for wood joists and rafters also available for the android os.
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.
