Since 1954, New England builders have trusted Reliable Truss, a division of National Lumber, for all their structural elements. We are experts in wood trusses, structural components, and materials. Reliable Truss is also a leading distributor of Boise Cascade wood I-Joists and beams. For both residential and commercial projects, we design and manufacture wood roof trusses, wall panels, timber trusses, and floor panels. For a free evaluation and estimate, call 508-998-7877.