Millboard Black Composite Joist 50 x 50 x 2400mm

These 50 x 50mm Millboard Composite Joists are the perfect support system for our all-weather flooring, and a durable, hardwearing and practical solution for spaces exposed to dampness, such as jetties, fishing platforms, pools, roof terraces and boardwalks. Made from 100% recycled plastic, it won?t rot, split or crack. Features: Made from 100% recycled plastic and fully recyclable Saves you over the years as will never rot or need treating