Two-part polyurethane primer for the protection of particularly demanding surfaces. Ideal base for a long-lasting project when combined with Polygloss, Tropikal 380/480/580, Antiskid and Monotreten projects. Excellent filling properties. Use Uni Primer on: Topsides / bilges of wooden, plywood, polyester or metal boats (ships, rowboats, pleasure boats, fishing boats) (no anti-rust protection).