Modernize and restore all types of stairs, while also providing excellent anti-slip protection, with Stairmaster® treads that are heat-treated, corrosion resistant and feature an extruded aluminum base. The use of diamond-hard aluminum oxide in the filler assures long tread life under heavy pedestrian traffic. Two-tone treads with contrasting color available. Use construction adhesive in addition to mechanical fasteners for the best installation results. Special tread sealer available for wood or saltwater applications.