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It costs between $600 and $8,400 to stain an average-size concrete patio of around 300 square feet. The wide price range accounts for intricate stains that incorporate multiple colors and stenciling, high-end sealers, and special touches, such as stamping or concrete polishing. Prices can also vary if you need to make multiple repairs to your patio before adding the stain and seal.

Yes, you can seal old concrete, but proper preparation is essential. Before sealing, ensure the concrete is clean, dry, and free of any old sealant. To check if resealing is necessary, place a few drops of water on the surface; if they are absorbed in less than five minutes, it's time to reseal. If you are using the same type of sealer that was previously applied, you may not need to remove the old layer. However, if you are applying a different type of sealer, the existing one must be removed. Additionally, repair or fill any cracks to create a smooth base before you begin sealing.

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.

Coating enhancements often greatly benefit garages, patios, driveways, and commercial floors, elevating functional durability and curb appeal.