A+BBB Rated.Ceramic, Porcelain, Fiberglass Bathtub and Countertop Repair and Refinishing. Surface Magic has been serving the refinishing needs of Charlotte and surrounding areas for over 10 years. Bathtubs or Countertops have chips, burns, cracks? Outdated colors? Call Surface Magic and for a fraction of the price of replacment Surface Magic will make them look like new.