Preparation:  Put the safety signs in place, put the slotting machine and the joint filling machine in place; prepare slotting according to  the construction requirements, start the joint filling machine to preheat, add crack sealant and stir, control the temperature  between 170℃ and 200℃.

Grooving:  Install a suitable saw blade according to the size required by the construction (recommended width and depth are both  13cm-26cm), adjust the required depth, and perform slotting operations.

Clean up:  After manual cleaning, use an air compressor or a knapsack blower to thoroughly clean up the debris and dust in the seam.

Filling joints:  When the crack sealant temperature is between 170℃ and 200℃, start to fill the joints; the temperature of the joints is  recommended to be above 10℃; if the temperature in winter is below 5℃, it is best to preheat the part of the groove before  starting to fill the joints.

Maintenance:  After 15 minutes of filling, the traffic can be opened.