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No, you cannot permanently seal concrete. The porous nature of concrete means that it’s always vulnerable to water intrusion and staining, even under the best sealants. Although some concrete sealing products can last for a long time, a genuinely permanent concrete seal remains elusive.

Mix the resurfacer into a sticky mixture. The consistency should look like mashed potatoes. Use a squeegee to push the resurfacer across the pitted area and smoothen the surface with a cement trowel flush. Make sure you protect any expansion joints with a weather strip. Alternatively, cut out any resurfacer that touched the joint once the mixture begins to harden.

Options include epoxy, polyurethane, and acrylic for various uses.

The best time to seal your concrete driveway is sometime in the spring and fall when the temperature is above 55 degrees Fahrenheit. Keep an eye on the weather, and be sure to pick a day without rain on the forecast for at least 24 hours. Lastly, be sure you can leave the space free of foot and car traffic for the full drying time.