Product Description Now you can prime and paint right over cured POR-15® Rust Preventive Coating with our POR-15® High Build Primer. We developed this special “interlocking” primer after many requests from customers who wanted a coating with special adhesion characteristics that make it perfect for most painted surfaces, especially POR-15® Rust Preventive Coating. POR-15® High Build Primer is highly resistant to penetrating topcoats, like lacquers, enamels, and two-component finishes. It sands very smoothly, as well. Try some on your next project. Formerly Tie Coat Primer
