POR-15® high performance coatings revolutionized rust protection. POR-15 products form an impenetrable barrier that protects a variety of surfaces from water, chemicals, salt, corrosive contaminants and everyday wear and tear. POR-15 products are designed to work separately or as a complete system. When used together, they provide a coating that not only stops rust, but prevents it from returning. Known for the unbeatable 3-step stop rust undercoating system, POR-15 is committed to innovation, quality control, and excellent customer service.