Are Tji Joists Good?

I-joists can be a great product for a new home project. ... And similar to the floor truss, I-joists can span greater distances than 2×12's. Most I-joists also come with knockouts to run plumbing and wires through to save time on drilling. The prices are also more stable than dimensional lumber.

Are engineered floor joists better?

While the dimensional lumber versus engineered joists is a close race, we suggest that an engineered I-beam floor joist is a better choice. The engineered wood ranks better in both cost, strength, and ease of installation. They are also very versatile and can have larger holes than a 2×10.

How far can TJI joists span?

According to TJI's span table, switching to deeper 11-7/8 inch joists (a nominal 2x12), 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.