Can Asphalt Be Laid Over Concrete

An asphalt overlay is cheaper to install than replacing concrete and can provide a smooth ride over deteriorating concrete.

Can asphalt be laid over concrete. Asphalt works as a driveway base under concrete only when it is strong stable and at least 2 to 3 inches thick. Before concrete installation begins the asphalt is inspected and repaired as needed. Sand set bituminous set and mortar set. When installing pavers over existing concrete or asphalt there are three primary installation options.

But consider an alternative concrete overlays. Asphalt driveways that are paved over an appropriately compacted subbase will always be superior to asphalt that is laid over an unstable base or concrete that is prone to shifting and expansion. Concrete is a great base material because it is stable and allows for excellent compaction of the asphalt above. Pouring asphalt over concrete is bad for the longevity of your driveway so yes pouring asphalt over concrete may look good at first but there are bound to be troubles over time.

It is safe to pave asphalt over concrete. So pouring asphalt over concrete will result in cracks in the asphalt anywhere that the concrete moves beneath it. Concrete is poured with expansion joints that allow room for the pavement to expand in hot weather. During the winter that moisture freezes and continues to break the concrete down.

It will however require a little more maintenance than a typical asphalt overlay. The process for this is a lot easier where the asphalt gets laid out and then stones are mixed in to finish off the surface. Adversely asphalt is a monolithic slab possessing both solid and liquid qualities and though it has movement of its own it moves differently than concrete. Under the right circumstances it is possible to lay pavers over existing asphalt or concrete to simplify the project and reduce cost.

If you ve been thinking about updating your driveway or parking lot you might be wondering if asphalt can be paved right over the top of the concrete. Blacktop or asphalt installation over concrete can be very successful. The texture is a bit rougher because it is made up of a combination of asphalt and stone. It s a cheaper alternative to asphalt but less common than concrete or pavers when it comes to picking materials.

Well the answer is yes. Holes or cracks with depth of 2 inches or more require filling before concrete overlay is applied. While it is safe to pave asphalt over concrete there are several reasons why we do not recommend this method. The answer to the extremely common question can i lay new asphalt over old concrete is yes you can but we discourage it.