- Paints designed specifically for acrylic shower refinishing are your best bet in most cases because the paint is made to adhere to the shower base. These paints also have very specific instructions on how to apply the paint, which makes a world of difference. For instance, most acrylic shower bases need plenty of sanding to create a textured surface that allows paint to adhere. Hardware stores carry many different brands of tub refinishers, so find one that is designed for acrylic tubs.
- Tub epoxy is a paint specifically made for tubs. Generally used for fiberglass and acrylic tubs, it adheres very well to the slick surface of the acrylic because it is part resin and adhesive, whereas regular wall paint has no adhesive content. Tub epoxy hardens when it dries to form a very water-resistant barrier but it applies just like regular paint with a spray can or roller and brush. It is a good idea to scuff the surface of the tub before applying epoxy.
- A gelcoat is a different type of coating that forms a shell when dried that is very hard and impermeable. Gelcoats cover boats and yachts along with several types of acrylic and fiberglass tubs. If your acrylic tub has a gelcoat, another gelcoat will revive the finish and return the look of the shower base when it was new. Working with gelcoat is complicated, as the surface must be prepped and the gelcoat applied with a spray gun, but the result is a smooth, bright and reflective finish.
- A number of sealers will protect your paint from water damage and even stain buildup; however some may create a slippery surface on your shower base. Clear coat sealers will create a slick surface, so they must contain some kind of nonskid material like sand grains or include a rubber pad over the sealer. Acrylicized polyurethane is another professional coating and sealer used in acrylic tub refinishers. This product protects epoxy and enamel finishes applied to shower bases.
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