Alternate methods ( Not using Crack Sealing Machine) are available to quickly, safety and permanently patch potholes in the late fall, winter, and early spring months. Although not employed in city, a successful method used in many other states is spray injection. Spray injection is a process where using specialized equipment, in general we can use Crack Sealing Machine.
Aggregate is simultaneously premixed with a heated asphalt emulsion and sprayed through a hose and nozzle into the pothole. Specifically, the steps taken to fill the pothole when using this equipment include, but Crack Sealing Machine is not meet the repair requirement:
Blowing water and debris from the pothole.
Applying a tack coat of asphalt emulsion on the sides and bottom of the pothole.
Spraying the emulsion and aggregate mixture into the pothole.
Covering the repaired area with a thin layer of uncoated aggregate.
Opening the repair to traffic as soon as workers and equipment are clear.
