This summary of crack repair methods tells what kind of cracks can be repaired with each of the following procedures:

  1. Epoxy injection
  2. Routing and sealing
  3. Stitching
  4. Adding reinforcement
  5. Drilling and plugging
  6. Grouting
  7. Flexible sealing
  8. Drypacking
  9. Polymer impregnation
  10. Overlays and surface treatments

It also describes autogenous healing--a natural process in which the crack closes itself.

To be successful, repair procedures must be based on the cause of the cracking and the present condition of the crack. Some of the following repair procedures will work with active or moving cracks. Others are recommended only for dormant cracks.