Hull paint is a generic term that can mean a variety of types of marine paints. Hull paint is also known as topside boat paint, bottom paint, gelcoat, and others. The hull of your boat can be made out one of several substrates including Fiberglass, (fiberglass gelcoat), aluminum, wood, or steel. So it is important to use the right type of hull paint and application methods that coincide with the type of material of your boat ..........more