Patch Management’s spray injection technology has a much lower failure rate.

Failure Rate of Commonly Used Pothole Patch Material:

The graph shows the percentage of failure of the materials chosen from the study by the Federal SHRP Project, approximately 18 months after installation.Spray Injection Success Rate The chart shows Spray Injection to have the superior durability of all the innovative materials tested.
Source: “Innovative Materials Development and Testing, Volume 2: Pothole Repair”, in the SHRP-H-353 report of the Strategic Highway Research Council, Washington, D.C., 1993.