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Both I-joists and floor trusses minimize or eliminate potential engineering problems and in the end—despite the added upfront cost—might even save money. Engineered wood joists and trusses are easier to specify, are more stable than dimensional lumber, and are easier to install.
Find I-joist at Lowe's today. Shop joists and a variety of building supplies products online at Lowes.com.
I-joists are strong, lightweight, "I" shaped engineered wood structural members that meet demanding performance standards. I-joists are comprised of top and bottom flanges, which resist bending, united with webs, which provide outstanding shear resistance.
Lightweight and available in long lengths, TJI joists offer efficient installation, versatile floor plans, and durable performance backed by a limited lifetime warranty. Reduce callbacks and elevate floor performance with our TJ-Pro Rating.
Engineered floor joists are made of wood strands bonded with adhesive. They are stronger and lightweight than traditional joists and can span up to 60 feet. However, they are more expensive than traditional joists. One of the most common types is I-joists.
TimberStrand® LSL is an ideal solution, providing an alternative to solid sawn floor joists, especially where longer lengths and greater stability are required. Floors work harder these days, supporting heavy kitchen islands and great rooms.
Engineered floor joists can span greater distances between bearing points than 2×10 traditional sawn lumber, but only if the joists are properly blocked. Engineered floor joists are more expensive than 2×10 lumber, but are much lighter and easier to handle.
BCI Joist Benefits: Greater strength = longer spans. Lightweight for easier handling. Engineered and manufactured for consistency. Use with BC software for engineering analysis. Forest-friendly sustainability. Flanges made with industry-leading Versa-Lam ® LVL.
Structural engineered wood framing solutions from floor to roof. Red-I Joists are lighter, faster, and easier to install than traditional framing. They are handcrafted for better floors, ceilings, and roofs to resist warping, twisting, and shrinking, preventing common issues like squeaks.
Two types of engineered joists are most frequently used in floor systems today: Wood I-Joists with dimension lumber top and bottom chords and OSB web. Open web trusses with wood webbing held together with metal plates. I-joists have major advantages in high-volume construction with standard layouts. This is because they are less expensive.