The lifespan of stained concrete can range from five years to a lifetime, depending on the type of stain used and how well it is maintained. Acid-based stains penetrate the concrete and can last 20 years or more, while water-based stains are less durable and may last around five years, especially on outdoor surfaces exposed to UV light and weather. To preserve the color and extend the life of the finish, stained concrete should be properly sealed and then resealed every three to five years. Factors like foot traffic, climate, and proper initial application also affect its longevity.

A concrete seal can protect your garage floor from water and stains as can an epoxy coating. The main difference is that epoxy is much more durable and better for heavy-duty wear and tear—it’s used in more industrial and commercial settings. If you’re just using the garage as storage for tools and your car, concrete sealer will do just fine. But if your garage doubles as a workshop for side projects and auto repair, epoxy will hold up better.

Most garage floor paints are epoxy-based and available in DIY kits. One-part epoxies are simpler to apply than two-part epoxies, which have a more involved process. Sometimes, people also use latex-based paint because it’s easier to clean up mistakes with soap and water. Either way, make sure your paint is specifically designed for concrete garage floors. It should say so on the label.

The cost to seal concrete is around $1,500 on average, but you could spend anywhere from $1,000 to $7,000, depending on the type of sealer used and the size of the space. You may want to seal concrete that receives a large amount of foot traffic or heavy wear. While you can seal concrete yourself with materials from a home improvement store, you must ensure the surface is clean and ready to accept the sealer. Hiring a professional is often recommended to ensure good, even coverage that provides adequate protection.