It is not absolutely necessary for all boats to get the bottom of the hull painted with antifouling paints. For instance, if you do not keep your boat in the water for long periods of time, it is stored on a trailer, lift or dry storage facility, then you most likely do not need to paint the bottom of your boat.

Do you need antifouling paint?

Fresh water, in-water storage - Most locales you will need antifouling. Dry sailing (Fresh or salt) - There's no need to antifoul. Full-time cruiser - A multi-season paint is a must. Racer - Serious racers will antifoul with a hard paint that can be buffed and burnished to a slick finish.

Do all boats need antifouling?

How often should I Antifoul? The frequency of antifouling depends on the usage and storage of your boat. Boats that live afloat or that are used regularly should be checked every year to assess whether it needs reapplying. Boats that live ashore and have been washed down may only need antifouling every other year.