What Are Standard Sizes for Engineered Wood Beams?
Standard sizes for engineered wood "I" beams include flange sizes of 1 3/4, 2 5/16, 2 7/16 and 3 1/2 inches. Depths come in 9 1/2, 11 7/8, 14 and 16 inches, while lengths come in 20 to 48 feet. Lengths of up to 60 feet are custom ordered.