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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.

Garage floor sealers last anywhere from one to 10 years on average, depending on the type of sealer you use and the traffic it’s exposed to. Acrylic sealers have the shortest longevity, whereas most other options can last anywhere from five to 10 years. If you use an acrylic sealant to protect against stains, reapply every one to two years. Reapply other types of concrete sealers every five years for the best results and maximum protection.

Yes, you can seal old or existing concrete, but proper preparation is crucial. The concrete surface must be clean, dry, and free of any incompatible old sealant. To check if an old sealer is present, drip a few drops of water onto the surface; if the water is absorbed in under five minutes, it's ready to be resealed. If you plan to use the same type of sealer that was previously applied, you may not need to remove the old layer. However, if you are using a different type of sealer, the old one must be completely removed. Before applying the new sealer, thoroughly clean the concrete and repair or fill any cracks to ensure a smooth, well-prepared surface.

Yes, you can seal an old concrete floor as long as you remove stains and repair damage before sealing. Remove everything from the garage and clear the floor throughout with a concrete cleaner and power washing. Fill in cracks larger than 1/8 of an inch wide and remove all grease and rust stains before sealing. Make sure your concrete is fully dried before applying sealer.