what is pulverizing and cold milling
The Difference Between Asphalt Milling, Pulverizing. Milling. Asphalt milling is designed to recycle and reuse asphalt. To do this, only the top layer of asphalt is removed while the subbase is left intact. This top layer is removed by a machine called a cold planer. The cold planer goes over the asphalt with spikes, pulling up the top layer.