Trenton Patch Pad® Exothermic Weld Protector is a versatile, easy to apply coating. Patch-Pads are primerless and self-adhering, with minimal surface prep. The design includes a moldable, self-adhesive coating that conforms to a variety of profiles with a durable polymer backing providing strong mechanical protection for buried applications. Find more information under Corrosion Needs, Trenton.