UV stabilized HDPE is a popular choice for playgrounds, outdoor cabinetry, and marine nstruction. Marine grade HDPE is mm referred to as , StarBoard, marine lumber, marine plywood, and Designboard. marine board is a UV-stabilized textured sheet for enhanced traction and slip resistance for steps, walkways, flooring, and swim platfor. For lightweight marine-grade needs, UV-stabilized LITE and it StarLite XL offer up to 35% weight