Tji Roof Joists

Tji joists are lightweight and come in long lengths which makes them faster and easier to install than traditional framing and saves you both time and money.

Tji roof joists.

Often hole size can be increased and holes can be placed closer to bearing than shown on the chart based on actual design spans and loads. 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. Engineered to provide strength and consistency ilevel trus joist tji joists are a key part of our silent floor system. Tji joists revolutionized the way you build floors trus joist developed wooden i joists nearly 40 years ago and since then we ve continually improved their quality and made them easier to work with.

Now more than ever builders need solutions that really deliver. Their dimensional stability helps resist the warping twisting and shrinking that can lead to squeaky floors. Refer to the hole chart on page 9 of the tji specifiers guide for uniformly loaded joists. Tji 110 joists tji 230 joists tji 560 joists 1 3 8 3 8 3 8 3 7 16 21 1625 25 16 3 1 13 8 1 13 8 1 13 8 13 8 13 8 contents product identification allowable holes tji joists 9 117 14 9 117 8 14 16 9 117 8 14 16 9 117 8 14 16 9 117 8 14 16.