Bathtub Berkeley Tub Refinishing HQ is the latest exciting news in bathtub restoration. Our synthetic porcelain resin is poured over the surface which not only provides absolute adhesion but is also 20 times thicker than traditional spray-paint refinishing. This the safest and most durable bathtub reno solution in the market and it’s backed with 10 years Warranty. The application takes one day and the bathtub can be used in 48 hours.