Crack sealing refers to use specialized treatment material to seal the crack to prevent the intrusion of water and incompressible materials. Crack sealing has endures vertical and horizontal movement and crack preparation to assure long service life of sealant. It is considered semi-permanent. It has an average life of five years, and up to 10 years on new pavements.
Crack filling refers to use ordinary treatment materials or rigid material or semi rigid to fill some of the void in the crack to reduce intrusion of water and incompressible materials. However, crack filling can not endure vertical and horizontal movement. It fills crack void and then dust with sand, so it is considered temporary. Crack filling has a life of less than one year.
Shanghai Doan Machinery Company can provide you crack sealing machine with high quality, if you have any quetions, you can contact with us.
