Dupli-Color® Rust Barrier High Solids Rust Preventative Coating is formulated to be applied directly over rusted or bare metal surfaces. Using our exclusive Rust Barrier Technology, this coating seals corrosion and provides an abrasive, impact-resistant flexible rubberized finish. Rust Barrier is easy to apply by brush, roller, HVLP spray gun or aerosol. If needed, this product can be top coated for areas exposed to increased UV light. Intended for underbody application.