Engineered Lumber outperforms conventional lumber providing greater strength and stability over large spans. It’s also resistant to shrinking and warping, and easy to install. We carry Trus Joist® Engineered Lumber by Weyerhaeuser including wood I-Beam joists in a variety of widths and lengths. Our staff is committed to provide the support you need to determine the optimum joist beam for your roof or floor framing project.