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The lifespan of painted countertops depends on the products used and how well they are maintained. Generally, they can last for a couple of years before needing a fresh coat. To maximize their longevity, it is vital to apply a durable sealer, such as a resin or water-based acrylic topcoat, over the paint. After applying the sealer, allow it to cure for the full recommended time, which can range from seven to ten days, to ensure a fully protected surface.

The average lifespan of an epoxy countertop is around 10 years, but this material can last longer with proper maintenance. This material happens to be resistant to most kinds of countertop damage (think: water and heat damage) though damage can happen. In the event you do damage your epoxy, you can often fill it with an epoxy repair kit.

Yes, onyx countertops can scratch easily—especially if they’re not adequately sealed. But with the proper maintenance (which includes re-sealing the countertops to protect them from damage), you can prevent your onyx countertops from scratching and repair any damage quickly to prevent it from worsening.

Epoxy is the best sealer for concrete countertops. It fills in gaps, rough areas, and imperfections for a smooth finish and will usually last the life of the concrete. Other options include acrylic and polyurethane sealers, which protect the countertops from stains but must be reapplied every few years to maintain proper surface protection.