CENTURION™ Molded STAIR TREAD PANELS are now available! Stair tread geometry is conveniently designed for cutting common stair step sizes with little or no waste material. Cutting guide channels are provided at 6-inch intervals for quick error-free sizing of stair steps. In addition to superior corrosion resistance, CENTURION™ Stair Treads provide strength, durability, and ease of fabrication and maintenance for an economical and practical structural product.