Shelter Island™ is a high performance solvent-base antifouling that uses a high end technology of Zinc Pyrithione and Zinc Oxide. Shelter Island™ provides multi season antifouling protection against barnacles, algae and hydroids in salt and fresh water on boat bottoms only. Its ablative copolymer base renders a smooth finish with durability and abrasion resistance. Shelter Island™ releases biocide by the constant exposure of new paint film to the water. Shelter Island™ has universal application over all types of properly prepared bottom paints. For use on fast fiberglass boats as well as aluminum, wood and steel hulls.