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Can You Cover Concrete With Asphalt?

Can You Cover Concrete With Asphalt?

Yes, you can cover concrete with asphalt. This is a common practice for driveways and parking lots. The two materials work well together because asphalt is flexible and can conform to the irregularities of the underlying surface, while concrete is solid and durable.

The process of covering concrete with asphalt is called paving.

There are a few things to consider before paving over concrete. First, the existing surface must be clean and free of debris. If there are any cracks or holes in the surface, they must be repaired before paving can begin. Second, the temperature must be above 50 degrees Fahrenheit for the asphalt to adhere correctly to the concrete surface.

Once these conditions have been met, paving can begin by spreading a layer of hot asphalt over the entire area. A roller will then be used to press it into place and ensure good contact with the underlying surface. Finally, a protective coating will be applied to keep the asphalt from fading or cracking in sunlight.

Factors to consider for covering concrete with asphalt

There are a lot of factors to consider when deciding whether to cover concrete with asphalt. The most crucial factor is the condition of the concrete. If the concrete is in good condition, it will likely be cheaper and less labor-intensive to cover it with asphalt than to repair or replace it. If the concrete is in poor condition, repairing or replacing it may be more cost-effective than covering it with asphalt.

Another thing to consider is how much weight the asphalt will be carrying. Concrete can hold much weight without breaking, but the asphalt could crack and crumble if you put too much weight on top of it.

Finally, think about your climate and weather conditions. Asphalt holds up better in colder climates than in hot climates – so if you live in a desirable area, consider that when choosing your pavement material.

Side Effects of Putting Blacktop Over Concrete

One of the most severe issues with laying asphalt over concrete is the risk of an unstable concrete foundation. If you are using an existing concrete foundation, you should evaluate the quality and condition of the concrete before installing the blacktop.

The slow fracturing of concrete as it moves and shifts in its environment can endanger an unstable concrete foundation, with variables such as:

  • Traffic
  • Changes temperature
  • The freezing and thawing of ice and snow

When pouring asphalt over concrete, the longevity of the asphalt is determined by the quality and integrity of the sub-base, which in this case is the concrete.

Your asphalt driveway or parking lot may be fragile and crack where your concrete is cracked if it has cracks or an uneven base. The state of the asphalt is frequently reliant on the condition of the concrete beneath it, which is one of the most critical concerns about installing asphalt over concrete. If you do not have an appropriate foundation to build, you will have problems with your driveway or parking lot.

Also read:

Is 2 Inches Of Asphalt Enough For A Driveway ?

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