Get matched with top concrete finishing pros in Wellsville, NY

Q: Can you pour concrete over old concrete?

• <div><p>Yes, you can pour new concrete over old concrete, but you need to apply a concrete bonding agent to the existing concrete to ensure the new concrete sticks. Keep in mind that even with a bonding agent, large cracks and other flaws will still come through. If the concrete has heaved, settled, or cracked, pouring new concrete on top won&rsquo;t address any root structural problems. Removing the existing concrete and rebuilding will be your best solution in that case.</p></div>

Q: Do you need to sand concrete before painting?

• <div><p>You should sand concrete before painting, as it helps remove any irregularities and pieces that stick out from the surface. This not only helps the paint look better but it prevents any unwanted water absorption.</p></div>

Q: Are polished concrete floors worth it?

• <div><p>Yes, polished concrete floors are worth it for homeowners who want durability, style, and low maintenance in one sleek flooring surface. You get the modern visual appeal of stone or tile with far less upkeep and far less cost. Polished concrete flooring is tough enough for high-traffic areas, it&rsquo;s a great choice for people with allergies, and it&rsquo;s easy to clean. If your existing concrete is in good shape, polishing it can give you solid value that shines on for years.</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: What is the difference between concrete overlay and concrete resurfacing?

• <div><p>Concrete overlay and concrete resurfacing are both <a href="https://www.angi.com/articles/driveway-repair-should-you-patch-resurface-or-replace.htm">concrete repair options</a>. The terms are used interchangeably, and the meaning can vary from contractor to contractor. An overlay normally involves a thicker layer of new concrete over the old slab, which can last longer and add structural integrity to the old concrete. Resurfacing involves a thinner layer of concrete or resurfacing material and is for cosmetic upgrades only. </p></div>

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*The Angi rating for Concrete Finishing companies in Wellsville, NY is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Concrete Finishing needs.

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Last update on December 07, 2025