How do you remove penetrating sealer from concrete?

• <div><p>Penetrating sealer seeps into concrete pores to protect it from moisture and staining, cracking, and mold caused by water. This means you cannot remove penetrating sealers like topical sealers. The good news is that penetrating sealant doesn’t have to be removed before resealing, as most topical sealers must. Instead, you’ll want to buy a compatible penetrating sealant (often the same kind already in the concrete) and apply it. Always follow the manufacturer’s instructions.</p></div>

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Q: How long does it take for troweled concrete to cure?

• <div><p>The curing time for troweled concrete depends on different factors. The type of concrete mix used in the project can impact the time it takes for the concrete to cure, and climate conditions such as moisture and humidity can as well. It can take several days to a few weeks for concrete to fully cure, depending on the concrete mix. </p></div>

Q: How thick should exposed aggregate concrete be?

• <div><p>A layer of exposed aggregate concrete should be 1 to 2 inches thick if you&rsquo;re installing it on top of existing concrete. If you&rsquo;re pouring a new slab with the finish, slab thickness will depend on the application. Exposed aggregate concrete driveways should be 4 to 6 inches thick in most cases or 8 to 12 inches for commercial vehicles. Sidewalks, patios, and walkways should be 4 inches thick. </p></div>

Q: Does a septic tank riser replace a concrete lid?

• <div><p>Yes. A septic tank riser is meant to replace a septic tank cover&mdash;concrete, metal, fiberglass, or otherwise&mdash;while still allowing easy access to the opening of the tank. Just as you would need to be mindful of the septic tank lid when it comes to mowing the lawn or other yard usage, you&rsquo;ll have to be cautious not to damage or otherwise disrupt the septic tank riser.</p></div>

Q: How long does concrete sealer last?

• <div><p>Epoxy and polyurethane sealers can last <b>five to 10 years</b>, while acrylic sealers last <b>two to three years</b> or more depending on the use, wear of the surface, and type of sealer you choose. Areas that see heavy traffic or extreme ice and snow may require more frequent sealing. Test your concrete every two years to gauge how it responds to absorbing water or if it fully repels it for longer than 20 seconds.</p></div>

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Last update on November 01, 2025