●No slotting required;

●Clean the seam thoroughly, dehumidify and heat up;

●The pressure of joint grouting glue is injected into the cracks of high temperature road surface, and the bonding effect is good;

●Quartz sand is covered by pressure to form wearing course.

The compressed air provided by the air compressor and the road flame heater are used to forcibly clean the road cracks and rapidly heat the road around the cracks;

The crack filling glue heated to sprayable temperature is pressurized and injected into the road crack;

The quartz sand in the sandblasting machine is pushed by the compressed air and evenly sprayed on the crack glue surface filled with glue by the sandblasting gun.