Alumi-Koat Water-Based Anti-Fouling Marine Paint from Aquagard is designed for use on aluminum and other non-ferrous materials. Alumi-Koat creates an invisible barrier to stop slime build-up, barnacles, and marine growth. This brushable paint requires less prep work so application is easier. Cleans up with soap and water. This commercial-grade anti-fouling paint is scientifically formulated for superior adhesion to aluminum. Tin-free. U.S. EPA approved.