Asphalt Overlay

Asphalt overlays are often more economically practical than new pavement since a proper foundation has already been established. We lay a new asphalt over the existing surface, and it gives a fresh, new look to any parking lot or roadway.

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Asphalt overlays are a more ecologically friendly and simple way to get a brand new sleek looking appearance without having to completely re-purpose the foundation that you plan on building on.

Asphalt overlays simply use a 1-inch layer over the top of the existing foundation, making it a much easier and cost-effective approach.

asphalt overlay processSome asphalt surfaces with severe damage like rutting, potholes, large cracks, and expansions will need to be milled before an overlay is able to be applied.

What is Asphalt Overlay?

Asphalt overlay is a paving method of applying a new layer of asphalt to a deteriorating surface.

Rather than tearing up old asphalt surfaces entirely, an asphalt overlay project uses the existing layers as a base for the new asphalt pavement.

Depending on the depth of the existing layers as well as any damage or erosion that may be present, multiple layers may need to be used to provide a like-new appearance.

Asphalt overlay is simply a faster and more streamlined process for getting a brand new, clean looking pavement surface completed.

Whether for appearance purposes or for re-fortifying the integrity of an existing lot of asphalt, utilizing an asphalt pavement overlay will strengthen it and improve its overall appearance if done properly.

How Are Asphalt Pavement Overlays Completed?

 

  • Asphalt Assessment

Not all existing asphalt surfaces are suitable for asphalt overlay. If an asphalt surface has extensive structural damage such as large potholes, root damage, or ruts in the surface, it will need to be ripped up. Asphalt surfaces that are not draining water correctly may also not be suitable for asphalt overlay because the surface may need to be regraded to handle water more efficiently and prevent degradation.

  • Asphalt Milling

Asphalt milling will remove the top layer of an asphalt surface that has taken on cracks or other damage.

asphalt milling broward flThe old layer that has sustained damage must be removed to ensure an even bond when the new asphalt is applied and also to maintain a level surface.

An asphalt milling machine will grind down 1″ to 3″ depending on the wear of the asphalt surface.

The ground surface material will then be hauled to an asphalt recycling plant where it can be integrated into new asphalt mixes.

  • Base Repair

The base of an asphalt surface may need to be replaced in areas where potholes, rutting, and sinking have formed. In order to make sure a severe problem will not form again, the base of the asphalt surface will be rebuilt using multiple layers of aggregate and asphalt.

  • Pave Surface

Once the existing asphalt surface has been prepared, the asphalt overlay can be paved on top of the surface. The amount of asphalt overlay applied to the surface will vary depending on the thickness of the existing surface but typically will be about 1-3 inch thick.


Additional options which can be added to an overlay project:

  • Geotextile Reinforced Resurfacing

An option that may be included with asphalt resurfacing is Petromat. Petromat is a non-woven, petroleum-based geotextile fabric used to retard reflective cracking between the existing pavement and the newly installed asphalt surface. This fabric acts as a waterproofing membrane while also adding structural support and strength.

  • Leveling Binder

In low areas, hot asphalt is installed at various depths to adjust pitch to proper grades while increasing parking lot strength. This step is important to ensure a level surface throughout the area.

When pavement deteriorates due to lack of maintenance, it can often seem like it’s at the end of its lifespan – and you may think you need to demolish it and rebuild a new parking lot from scratch.

But with an asphalt overlay, you may be able to get more out of your asphalt than you thought possible and save money in the process.

Like a facelift for your parking lot, an overlay adds new life to older asphalt. It helps to repair flaws in the existing surface by adding a new layer of fresh pavement to the top – giving it a brand new appearance at a fraction of the price.