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In most cases, yes, sealing concrete will stop spalling. However, it’s not a perfect solution—it may only delay spalling. Call your local concrete repair contractor for quotes on the best sealing options to prevent spalling.

You can’t paint a foundation like you would the walls in your home; there are a few extra important steps to take. Instead of just busting out the paint, you should clean the surface and fix any impurities before grabbing the brush. Using a paint sprayer to apply sealant and primer will ensure you have the perfect canvas to apply your chosen paint color.

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.

If your concrete stains are green in color, it indicates the presence of mold or algae—which you should address right away. If left unattended, mold will spread to other areas throughout the home. However, be careful not to disturb mold on indoor concrete surfaces and work with a local mold remediation specialist for specialized care. Once free from mold and algae, seal your concrete to eliminate pores and gaps.