Antifouling works by releasing biocides, in a controlled manner to prevent fouling organisms from attaching to the boat. Upon exposure to water the top layer of anti-fouling is dissolved and the biocides leach onto the coating surface therefore keeping fouling organisms away

In the first-year costs for antifouling are lower compared to the silicone fouling release system but maintenance costs in the second year are higher.

There are different antifouling paints for different types of boats, depending on the substrate and type of water the boat will be sailing.