What is a TGI beam?

TGI’s are the floor joist that span your foundation to create your floor. After they are installed they are covered by plywood. The TGI is a common name for TJI. TJI stands for Truss Joist I-beam. They are also called wood I’s.Click to see full answer. Similarly, you may ask, what does tji stand for? Trus Joist I-Joist Also Know, what is LVL beam? Laminated veneer lumber (LVL) is an engineered wood product that uses multiple layers of thin wood assembled with adhesives. It is typically used for headers, beams, rimboard, and edge-forming material. Due to its composite nature, it is much less likely than conventional lumber to warp, twist, bow, or shrink. Also asked, how far can you span a TGI? Those maximum distances vary based on joist strength, depth, and on-center spacing. According to TJI’s span table, switching to deeper 11-7/8 inch joists (a nominal 2×12), even when spaced at 19.2 inches on-center, enable you to go as long as 17 feet, 4 inches and still achieve L/480.What are I joist used for?An engineered wood joist, more commonly known as an I-joist, is a product designed to eliminate problems that occur with conventional wood joists. The advantage of I-joists is they are less likely to bow, crown, twist, cup, check or split as would a dimensional piece of lumber.

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