Our framework is 16 gauge with the Ameristar PermaCoat powder coating system, and its double layer of protection. The base coat is a epoxy moisture barrier which is thermally fused to the galvanized substrate and is reknowned for its outstanding corrosion resistance. The finish coat is a thermo-setting TGIC no-mar polyester top coat with enhanced UV resistance to maintain a beautiful color finish for a lifetime of maintenance-free enjoyment. Ameristar offers a 15-year warranty against cracking, chipping, peeling, blistering and corroding.