Sure-Span® is a revolutionary floor joist system specifically developed by CEMCO for both commercial and residential construction projects. The trapezoidal punch-outs enable several trades, such as plumbing, HVAC, technology, and electrical to take advantage of access route for various services while sturdy, long floor spans are maintained. Sure-Span® SSCJ joists are produced in depths ranging from 7 1/4 inches up to 14 inches.The corresponding SSTT Rim Tracks are produced with pre-spaced tabs at 12, 16, or 24 inch on-center configurations for ease of installation. All Sure-Span® components are manufactured from the same high-quality mill certified hot-dipped galvanized steel in G-60 and G-90.