About this item POR-15 is an industry standard for high performance protection against corrosion and rust. Our direct-to- metal coating is essential in all applications where there is a need to preserve substrates susceptible to corrosion. POR-15 Top Coat provides excellent adhesion and best when used over POR-15 Rust Preventive Coating, to create a permanent barrier. LONG LASTING PROTECTION – POR-15 Top coat has exceptional long-term sheen and color retention, with a hammer tough finish that won’t crack or peel. It can be applied directly to metal substrates or previously painted surfaces without need for primer or undercoat. Formulated to form a robust barrier that sheds moisture. POR-15 is an industry standard for high performance protection against corrosion and rust. Our direct-to- metal coating is essential in all applications where there is a need to preserve substrates susceptible to corrosion. POR-15 Top Coat provides excellent adhesion and best when used over POR-15 Rust Preventive Coating, to create a permanent barrier. OUR SATISFACTION COMMITMENT – At POR-15 we strive to bring the ultimate in rust prevention. Known for the unbeatable 3-step stop rust system, POR-15 is trusted by DIY & Professionals. We are committed to innovation, quality control, and excellent customer service.