Tji Roof Spans

Engineered wood products ewp span and size charts for bci joists.

Tji roof spans. Tj 9006 installation guide for deep depth tji 360 560 and 560d joists. Also available for the android os. The joist sit on top of 2 x 4 walls nailed to rafters. The roof has 7 12 pitch.

Tj 9001 installation guide for floor and roof framing with tji 110 210 230 360 and 560 joists. Their dimensional stability helps resist the warping twisting and shrinking that can lead to squeaky floors. Secondly the ceiling joists and end connections will require further consideration if thrust loads from a conventionally framed rafter roof system are present. I would like to use the loft as a lounge possably adding a dormer on one side of the roof.

Tb 824 ceiling joist. 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. The link below provides additional information and span tables for tji joists in ceiling applications. 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.

Walls are 8 made of 2 x4 16 oc with double top plate. Apa performance rated i joists pris are manufactured in accordance with pri 400 performance standard for apa ews i joists form x720 this performance standard provides an easy to use table of allowable spans for applications in residential floor construction allowing designers and builders to select and use i joists from various member manufacturers using just one set of span. Rafters are 2 x 6 24 oc set on 2 x 8 ridge board notched on to walls. 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.

Tji joist specifier s guide tj 4000 july 2019. Span calculator for wood joists and rafters also available for the android os. Tj 9510 installation guide for floor and roof framing with tji s31 s33 and s47 joists east canada.