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An asphalt overlay installs a new layer of asphalt over a worn existing surface after repairs are made and, where warranted, a crack-relief membrane is installed. It is the right treatment when the base is still sound and the failures are confined to the surface — and the wrong one when the base has failed, because a new layer placed over a failing base will mirror that failure within a few seasons.
The most common overlay failure is reflective cracking — old cracks working their way up through the new surface. Repairing and, where appropriate, membraning the existing cracks first is what separates a ten-year overlay from a three-year one.
We provide asphalt resurfacing and overlays across Hampshire, Pingree Grove, Gilberts, Elgin, South Elgin, Carpentersville, East Dundee, West Dundee, Streamwood, Bartlett, Hanover Park, Hoffman Estates, and Schaumburg.
View Service AreaThe test is the base, not the appearance of the surface. Transverse and longitudinal cracking on a surface that still holds its grade generally indicates a sound base. Alligator cracking across broad areas, rutting, sections that flex under load, and standing water all indicate the base is involved — in which case those areas need full-depth repair before any overlay, or reconstruction instead of one.
It can, and it needs to be planned for. Added thickness affects clearance at garage and building doors, curb reveal, gutter lines and drainage structures. Where clearance is tight, milling the existing surface before the overlay restores the elevation. This is checked during estimating, not discovered on the day of paving.
It is when cracks in the old pavement propagate upward through the new overlay along the same lines, often within a couple of seasons. It happens because the movement causing the original crack is still occurring beneath the new layer. Repairing the cracks and installing a crack-relief membrane where risk is high are the standard defenses.
There is no single figure — it depends on the condition of the base, the thickness placed, the traffic loading and how consistently the surface is maintained afterward. A well-prepared overlay that is crack filled and sealcoated on schedule substantially outlives one that is installed and then ignored.