Unbranded 2-1/2" x 11-7/8" x 16' I-Joist 40 Series

I-Joists are prefabricated I-shaped structural members that are designed for Residential and Commercial floor and roof rafter applications. I-Joists are comprised of solid sawn flanges and structural panel webs that provide strength and versatility. Their lightweight construction, ease of handling, strength and ability to span longer distances result in. lower overall labor and material costs compared to solid lumber.