Types of asphalt patching include:

Skin Patching (Overlay Patching)

•Area is cleaned of debris
•Apply a tack coat over the specified area to ensure proper adhesion
•New asphalt is then placed over the area and compacted
•Lifespan 1-4 years

 Infrared Patching 

•Area is cleaned of debris
•Specified surface is heated to target range or approximately 380-450 degrees and verified with a heat gun
•Area is then scarified between 2-3’’ in depth
•Asphalt spoils are then pulled and approximately 15-25% new asphalt is installed
•New asphalt is then compacted
•Lifespan 1-8 years

Removal and Replacement (Full Depth Patching)

•Specified asphalt is removed back to sub-grade by either saw-cutting and excavating or roto-milling
•Base is verified as sound or deemed as faulty. If base is not sound it will need to be excavated and have new Class 6 road-base installed.
•Base is then compacted.
•New asphalt is installed in multiple lifts and compacted.
•Lifespan 4+ years

Roto-mill Patching

•Specified asphalt is taken out in layers between 2-4’’ in depth with a roto-mill.
•Area is cleaned of debris
•Apply tack coat over the specified area to ensure proper adhesion.
•Asphalt is then installed, possibly in lifts depending on the depth and then compacted.
•Lifespan 2-8 Years

Trench Repairs

•Utility cuts or trenches
•Saw cut and remove or excavate area, sometimes including the subgrade.
•Re-install Class 6 Road base and compact.
•Install asphalt in multiple lifts and compacted.