Asphalt Overlay Over Concrete

Concrete expansion over time may cause reflective cracks.

Asphalt overlay over concrete.

Concrete paved surfaces are not compressed and compacted like asphalt is rather the concrete adheres and fills voids and irregularities with the soil and subgrade beneath it. An asphalt overlay is cheaper to install than replacing concrete and can provide a smooth ride over deteriorating concrete. The asphalt must be power washed to ensure a good bond between the concrete and asphalt layers. Asphalt paving contractors frequently use asphalt over concrete on interstates state highways and city streets concrete provides an excellent base for the asphalt which must have a well compacted stable foundation to yield superior results.

Before concrete installation begins the asphalt is inspected and repaired as needed. Price concrete and compare the costs and the advantages and disadvantages of each. Holes or cracks with depth of 2 inches or more require filling before concrete overlay is applied. Concrete asphalt overlay an asphalt overlay does not necessarily have to be applied to an existing asphalt surface.

Applying an asphalt overlay to a concrete surface is a common practice. The truth about asphalt over concrete. Unlike asphalt when a concrete surface begins to deteriorate there isn t an easy way to repave it without ripping up the surface entirely. It will however require a little more maintenance than a typical asphalt overlay.

Generally the existing pavement should be structurally sound level clean and capable of bonding to the overlay. When concrete deteriorates it draws and holds moisture. Asphalt overlay is an option for some asphalt surfaces that are in disrepair but paving asphalt over concrete comes with some catches. Since the product used for both layers is the same the layers should heave together in the winter.

But consider an alternative concrete overlays. A 404 surface course of asphalt can be installed on top of existing asphalt. Ecosmart acs partner up to create a beautiful new stamped concrete driveway over asphalt that actually bonds to the asphalt with acs s concrete admix. During the winter that moisture freezes.

Overlays either structural or non structural make up a large portion of the roadway paving done today the degree of surface preparation for an overlay is dependent on the condition and type of the existing pavement. The new surface may be too high and the cracks in the concrete will telegraph. Asphalt resurface over asphalt. In some cases it can be done over concrete pavement.

Blacktop over concrete is not a great idea.