Even when a very thorough job is done, one is still placing heated material against a cold surface. Whenever you have two materials of varying temperatures placed side by side, a cold joint is formed. Even with proper compaction, there really is nothing to adequately bond the two surfaces together and eventually these surfaces will separate because these two will expand and contract at different rates. Water infiltrates the cracked and raveled areas causing patch failures. This equipment is made by companies such as Ray-Tech, Poweray, or Kasi.
Asphalt reclaiming and asphalt recycling are useful for effective road and HMA asphalt repair.
This can be an effective way or repairing the pavement. One can also use this to repair utility cuts, trenches, keyholes, phone lines, runways, bridge deck, drain gutter and many others. A reclaimer or infrared asphalt heater can help you with this task.