Crack router pouring primarily for processing medium and large cracks and cracks appear in the pavement repair after emerging, for preventive maintenance on Surface Defects. By crack router machine slots after notching, with heat gun or hair dryer in the tank to blow dust and debris, crack sealing machine and then pouring the sealant into the cracks, that is called cracks repair, which ensure the overall performance of the pavement, extend the life of the road.
Slotted repair method is suitable for small cracks, which is a common fracture treatment abroad, the main equipment used include crack router machines and crack sealing machine, with hot lance or blower.
Usually slotted size is at least 1 cm wide,1 ~ 3 cm by depth, depth to width ratio should not exceed 2: 1,depth ratio as low as possible.