Attack the pothole epidemic with the DuraPatcher Spray Injection Patching method proven to be up to 10 times more effective than other patch repairs. Potholes are permanently patched in minutes and can be driven over immediately with the DuraPatcher 4-step process delivered through one nozzle: First the pothole is cleaned with forced air, then an emulsion track coat is applied. The hole is then filled with emulsion-coated aggregate and lastly, the finished patch is covered with dry aggregate.