What is the process for asphalt driveway repair? 1)If weeds are growing out of the cracks, pull them. 2)Clean the cracks, using a strong spray from a garden hose. 3)Apply weed killer. 4)When the crack is deep, fill it to within 1/4 inch of the surface with sand. 5)Tamp down the sand. 6)Apply patching compound (for [asphalt driveway repair](https://allcountypavingmasonry.com)) or concrete. 7)Allow it to cure. 8)Apply sealant.