Driveway Repair

Not every damaged driveway needs replacing, and it is worth being honest about which side of that line a slab falls on before spending money. A driveway with sound panels, an intact base and localised damage is a repair candidate. Hairline surface cracks, a single settled panel, crumbling edges, failed joint sealant and isolated spalling are all fixable without touching the rest of the drive. What is not worth repairing is a slab with widespread pattern cracking, multiple settled sections, or movement that returns after being corrected — those are base failures presenting as surface problems.

How a crack gets treated depends on whether it is still moving. A dormant crack can be routed out and filled with a semi-rigid epoxy or polyurea that bonds both faces and restores load transfer across the gap. An active crack — one that opens and closes seasonally — needs a flexible sealant instead, because a rigid filler will simply break again alongside the original crack. Telling the two apart takes observation rather than guesswork, which is why we look at crack edges and any previous repair attempts before quoting.

A panel that has dropped relative to its neighbours can usually be lifted back to grade rather than removed. The slab is drilled with small ports, and a polyurethane foam is injected underneath. The foam expands, fills the void that allowed the settlement, and raises the panel. It is a same-day process, the holes are patched, and the drive is drivable within hours rather than days. It works when the slab itself is intact. It does not work on a panel that has already broken into pieces, because there is nothing rigid left to lift.

Driveway edges fail first because they carry wheel loads with no lateral support and often no base beneath the last few inches. Crumbling edges can be formed and repoured as a strip without disturbing the field of the slab. The apron where the drive meets the street takes the worst of it, since every vehicle crosses it at an angle and it sits at the point where two different base preparations meet. Joint sealant is the cheapest maintenance item on any driveway and the most commonly skipped — open joints let water into the base, and water in the base under Charlotte's freeze-thaw cycling is what starts most of the damage we are eventually called to fix.

Overlays and resurfacing products get sold hard, and they have a narrow legitimate use: a structurally sound slab with cosmetic surface damage. Applied to a slab that is cracking because of base movement, an overlay hides the problem for a season and then cracks along exactly the same lines. If a resurfacing job is not right for a driveway we will say so rather than sell it, because it is the kind of work that comes back.