The longevity of the coating depends on the amount of paint applied. Coastal Copper 250 retains its effectiveness even when the boat is removed from the water for extended periods (winter storage, for example). To reactivate come springtime, use a stiff brush or powerwash lightly. Suitable for sailboats and power boats.

Coastal Copper 450 is equal to or better than Blue Water Marine Copper Shield, Interlux Micron CSC, Fiberglass Bottomkote ACT, Bottomkote, Pettit Ultima SSA, West Marine CPP, Sea Hawk AF-33, Cukote. Coastal Copper 450 is a high performance multi-season ablative paint with multi-season protection against hard and soft growth in moderate/heavy fouling conditions. Coastal Copper 450 protects against barnacles, algae and hydroids in salt and fresh water on boat bottoms only. Additionally, it will maintain anti-fouling properties for re-launch after extended haul out periods. Coastal Copper 450 has universal application over all types of properly prepared boat bottoms (except aluminum). Coastal Copper 450 can be applied directly over any properly sanded hard or ablative bottom paint or epoxy primer. Its ablative co-polymer base renders a smooth finish with durability and abrasion resistance. For use on fast fiberglass boats as well as wood and steel hulls. Coastal Copper 450 is a great quality bottom paint for sailboats, powerboats, sport fishers, yachts and boats of all kinds! Self-Polishing Ablative Paint Multi-Season Protection Eliminates Heavy Sanding Good Protection for Moderate to Heavy Fouling Conditions This is a HIGH QUALITY, HEAVY DUTY product sold at manufacturer's pricing!