SteelX long lasting, super-sustainable. Built to stand up to extreme demands, vandal-resistant SteelX roofs and play components offer a heavy-duty option for playgrounds everywhere. SteelX Roofs are made of 14-gauge steel, pieces are laser-cut, then galvanized and given a ProShield® finish to provide protection against weather, corrosion and fire. Used for rugged panels, roofs and play components.