Asphalt Milling / Asphalt Resurfacing
Asphalt milling/overlay is the process of removing and replacing only the top layer of an asphalt pavement.
Binder asphalt, which is made up of larger stone in the asphalt mix, is the bottom layer providing the strength of the pavement.
Surface asphalt, which contains smaller, fine stone in the asphalt mix, provides the smooth surface we drive on everyday. Because surface asphalt is not as strong as binder, it is usually the first layer to deteriorate.
In this instance, asphalt milling is a good option.
Asphalt Milling & Resurfacing Process
A milling machine is used to grind down the top layer of asphalt pavement. Usually 1.5-2″ for commercial lots.
After the milling procedure, the remaining binder asphalt should be checked to identify problem areas. All problem areas should be patched before the new installation of asphalt.
A tack coat is applied to the pavement to help provide adhesion of the new asphalt.
The top layer of surface asphalt is then applied and compacted. All pavement markings are installed.