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Properly maintained, resurfacing typically lasts 5-10 years. Factors like surface usage and exposure to chemicals affect longevity.

Yes, you can pour new concrete over an existing concrete patio. This process, known as resurfacing, is a common repair method used by professionals. For the best results, ensure the old concrete surface is clean and free from debris. The new layer of concrete should be at least three to four inches thick and include reinforcement materials, such as fiberglass fibers or wire mesh, to prevent cracking and spalling. With proper technique, a resurfaced patio can last for 15 to 20 years.

Concrete resurfacing and concrete overlay are terms often used interchangeably to describe the process of applying a new, thin layer of pre-blended concrete over an existing slab. This process enhances the durability and appearance of the concrete, giving it a fresh look without the high cost of a full replacement. The new layer is typically between 1/4-inch and 1-inch thick, significantly less than the 4 inches required for a new slab, and can be stamped, colored, or textured for a custom finish.

While the terms are often considered the same, their meaning can sometimes vary by contractor. Some may use "overlay" to describe a thicker application that adds structural integrity, while "resurfacing" might refer to a thinner layer intended for cosmetic upgrades. Other common names for this process include concrete restoration, concrete refinishing, and concrete rejuvenation.

Deciding whether to repair, resurface, or replace your concrete driveway depends on its age, condition, and the cost of the potential work.

If your driveway is over 20 years old and showing significant deterioration, replacement is often the best option. Similarly, if the cost of repairs is 50% or more of the replacement value, it's more cost-effective to replace it. For newer concrete with minor issues, resurfacing can be a good choice, especially if you have maintained it well with regular sealing.

For a definitive recommendation, contact a reputable concrete contractor. They can assess the driveway's condition and advise whether repair, resurfacing, or a full replacement (which costs between $1,400 and $12,100) is the most sensible path.