Crack cleaning is an important step before the crack sealing on the pavement crack repair. Crack sealing can be used by crack sealing machine. Immediately prior to placing the sealant compound, all routed and unrouted cracks shall be cleaned and dried using a hot compressed air lance.
Before sealant application, all loose debris from the routing and cleaning operation shall be completely removed from the road surface. All moisture, debris, and loose fractured aggregate shall be removed from the routed and unrouted cracks immediately prior to the time the sealant compound is being placed.
Shanghai Doan Machinery Technology Co.,Ltd. has rich experience in the field of Road Maintenance machineries especially in crack sealing machine coupled with the world best technology, guarantee, reliability and productivity In addition, our stringent quality control checks and wear tests ensures higher quality for all our machineries.