decking
Isaac Kremer/ September 9, 2018/ / 0 comments
Self-supporting units of wood, metal, or concrete capable of spanning beams, joists, rafters, or purlins and serving as a base for flooring or roofing. 2. Dimension lumber 2 to 4 inches (51 to 102 mm) thick and 4 inches or more wide, graded primarily with respect to bending strength when loaded on the wide face. (Ching, 1995)