How to Fix Crumbling Asphalt Driveway: The Definitive Guide
Prime the area, then add cold patching material two inches deep. Tamp it in, then add another two inches, then tamp t again. Keep at it until you have overfilled the pothole, leaving a slight mound over the area. Tamp it in as much as you can, then let it cure for 24 to 36 hours before you go any further.