Your Crumbling Driveway Edges Are Costing You More Than You Think To repair crumbling edge asphalt driveway damage, follow these core steps: Remove all loose asphalt, debris, and vegetation from the damaged edge Stabilize the sub-base with compacted gravel or crushed stone Apply cold patch asphalt or professional hot-mix material to rebuild the edge Compact the repair thoroughly with a tamper or plate compactor Seal the repaired area with an acrylic-based or rubberized sealant Reinforce with a hardscape border (brick, cobblestone, or steel edging) to prevent repeat damage The edges of your asphalt driveway are almost always the first thing to go.