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Can you pour concrete over concrete driveway?

Yes, you may pour a concrete pad overlay over an existing slab. You need to consider the added height and weight of the overlay on the existing structure. Overlays may include polymers, portland cement concrete, or epoxies. You should improve the drainage of the slab by having a good slope on the overlay.

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Hereof, does concrete stick to concrete?

The key to successfully pouring concrete over an existing concrete surface is to ensure the two layers bond properly. Even though concrete is strong and forms a hard structure, there’s nothing in it that helps it stick to old concrete. A commercial bonding agent helps with that.

how thick does a concrete overlay have to be? The minimum recommended thickness is 1 to 2 in. (25 to 50 mm) for a fully bonded concrete overlay placed on a base slab that is practically free of cracks and in which the concrete is sound, clean, and of good quality.

In this regard, how do you lay concrete over existing concrete?

To lay new concrete, sweep and clean the old concrete, and saturate the old concrete with water. Then, build a perimeter, or a wood brace, that is the same height as you want the concrete to be. Make sure the braces are level, and lay down a barrier of wire mesh over the existing concrete inside of the barrier.

What is concrete resurfacing?

Concrete resurfacing is a process by which concrete is cleaned, repaired, and overlaid with a new surface. Here is an overview of the steps involved for this fix to aging concrete: Cleaning.

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