TJI® Form I-joists revolutionize the way you form elevated slabs.
Trus Joist developed the wooden I-joist 35 years ago. Engineered to provide strength and consistency, these joists provide excellent temporary support for most any elevated slab.
TJI Form I-joists maintain their dimensional stability over many pour cycles, helping deliver consistently flat and uniform slabs.
TJI Form I-joists are lightweight and come in long lengths. This helps save on labor, because they're faster and easier to install than traditional forming materials. Also, TJI Form I-joists can be pre-cambered to span further while meeting the deflection criteria for the project.
TJI Form I-joists are frequently used to carry slabs on clear spans up to 28' without any center support, thus minimizing the need for center shores and reshores. This allows improved accessibility for forklifts beneath the formwork and speeds the timeline for other trades on floors below.
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