Asphalt Overlay Over Concrete

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.

Asphalt overlay over concrete. In some cases it can be done over concrete pavement. Price concrete and compare the costs and the advantages and disadvantages of each. It will however require a little more maintenance than a typical asphalt overlay. But consider an alternative concrete overlays.

An asphalt overlay is cheaper to install than replacing concrete and can provide a smooth ride over deteriorating concrete. Blacktop or asphalt installation over concrete can be very successful. 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. Holes or cracks with depth of 2 inches or more require filling before concrete overlay is applied.

The asphalt must be power washed to ensure a good bond between the concrete and asphalt layers. Asphalt overlay is an option for some asphalt surfaces that are in disrepair but paving asphalt over concrete comes with some catches. Unlike asphalt when a concrete surface begins to deteriorate there isn t an easy way to repave it without ripping up the surface entirely. Before concrete installation begins the asphalt is inspected and repaired as needed.

Asphalt resurface over asphalt. Since the product used for both layers is the same the layers should heave together in the winter. 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. Applying an asphalt overlay to a concrete surface is a common practice.

The new surface may be too high and the cracks in the concrete will telegraph. A concrete pavement that moves will damage any asphalt overlay over time. During the winter that moisture freezes. The truth about asphalt over concrete.

Concrete expansion over time may cause reflective cracks. 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. A 404 surface course of asphalt can be installed on top of existing asphalt. If you are looking to add asphalt over concrete you will need to make sure you have a stable concrete surface below with no expannsion joint shifting to make a proper base for overlay.

Blacktop over concrete is not a great idea.