How Do You Refinish A Gel Coat On Fiberglass?
Gelcoat is polyester resin that is pigmented. It comes in many colors, and in most cases it has additives that make it resistant to ultraviolet rays. It can also contain wax to give it a marble-like finish. Gelcoat is used for a protective layer over the fiberglass but also doubles as paint. Gelcoats are used for many fiberglass applications including boats, tanks, air scrubbers, duct work, and bathtubs. Use fine grit sandpaper and an electric palm sander to prepare the area that you are refinishing. Smooth out all the cracks and fractures in the gelcoat. A palm sander significantly speeds up this process. Wipe area down with clean rags and acetone. Clean any oil or residue from the surface. Wash with soap and water to ensure the piece is acetone free. Let dry. Use painters’ tape or masking tape to protect areas you don’t want to be covered with gelcoat. Remove the tape before the gelcoat hardens. If left until after the gelcoat hardens it can be a hassle to get off. Mix your gelcoat w
