Joints or cracks in pavement, that are not sealed properly will allow dirt, water and foreign materials to leak down through the asphalt surface. Winter breaks havoc on unsealed asphalt.
Shanghai Doan Machinery Technology Co., Ltd uses crack router, vacuum cleaner and crack sealing machine equipments on the pavement maintenance. With different types and models, can meet different needs of each customers, according to the different pavement situation. We can provide a maintenance program that will dramatically increase the life expectancy of your pavement surface. First of all, with the use of crack router, cut the crack into a shaped sized crack, then clean it through the vacuum cleaner, and doing the crack filling by the crack sealing machine. Easy way, and high efficiency.