Carnauba Glass Coat is a topside and hull wax for fiberglass or gel coat surfaces. This revolutionary product places an indestructible high gloss finish on your fiberglass which has a proven long lasting protection for an incredible 6 months in the Florida sun! Carnauba Glass Coat is a multiple layer building wax. Simply apply the wax, allow a few seconds for the wax to cure then buff the surface with a dry cotton towel. Simply repeat the process of building layers of wax until the desired shine is produced. Three quick coats provide 6 months of lasting shine and protection.