Overlay / Resurfacing

An overlay or resurface project can be an option rather than a complete removal and replacement of an existing parking lot. This is especially true in the case of parking lots that do not have complete asphalt failure.

Resurfacing a parking lot can be very appealing due to cost, it can be anywhere from 50 to 70 percent cheaper than a complete replacement.

Overlay Procedure

● Clean a parking lot by air power brooming and a wire broom where needed.

● Tack coat (glue) the existing pavement to bond the new asphalt to the existing pavement.

● Overlay parking lot with new hot asphalt mix between 2 to 2 ¼ inches, to be rolled and compacted.

● Re-stripe parking lot as it was before overlaying in either white or yellow paint.

There might be some exceptions to the Overlay/Resurfacing Procedure as listed below.

If you have any failed asphalt (potholes, crack alligated areas, low areas, etc.) they should be repaired prior to paving to stop/minimize any re-flecking cracking and drainage issues.

You might have to remove and replace or rotomill asphalt at the sidewalks, handicap ramps, curb with gutter and entryways prior to paving for elevation changes so there are no lips (bumps) at those areas which can cause drainage issues and tripping hazards.

You might have to completely rotomill the parking lot (remove a layer of asphalt pavement) before overlaying because the condition of the parking lot is bad, there are too many elevation problems causing drainage issues throughout the parking lot or the parking lot has been overlaid before.

Rotomill and overlaid parking lot. Date of Photo 4-2018.

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