4 August 2026 · 5 min read
Can cracked concrete be resurfaced? Usually, and here is the test
This is the question behind half the enquiries we get, and the answer is usually yes. The exceptions matter though, and you can spot most of them yourself before anyone quotes you.
Why concrete cracks at all
Concrete shrinks slightly as it cures, and it keeps moving fractionally with temperature and ground moisture for its whole life. Fine cracking is so normal that control joints exist purely to give that movement somewhere tidy to happen.
So the question is never whether your slab has cracks. It is whether the cracks are finished moving.
Cracks we repair and resurface over every week
Hairline and surface cracking, crazing, and stable cracks that have looked the same for years are all preparation work rather than deal-breakers. They get opened up, filled, and reinforced before the new surface goes down, and the finish hides them completely.
Spalled patches, where the surface has flaked away, and worn or drummy spots get the same treatment. This is routine on almost every driveway we resurface.
Cracks that are telling you something else
Some cracks are symptoms rather than blemishes. Watch for these:
- One side of the crack sitting visibly higher than the other, which means the slab sections are moving independently
- Cracks that reopen after repair, or grow noticeably season to season
- Wide cracks alongside sunken or lifted sections
- Crumbling across large areas rather than isolated patches
- A slab that rocks underfoot
What happens if you resurface over movement anyway
The new surface bonds to the slab, so wherever the slab goes, the finish follows. A moving crack telegraphs through the new surface, sometimes within months. Whoever took your money for that job knew it would happen, or should have.
This is why our warranty on crack repairs specifically is limited, and why we say so at the quote rather than in fine print. Ground movement is not something anyone can honestly guarantee against. Our guide to resurfacing versus replacing covers the full decision.
The advantage of asking a company that cannot pour
We do not pour new concrete, so when we look at your cracks, there is no bigger job for us to upsell you into. If the slab is sound, we will say so and quote the resurfacing. If it is genuinely failing, we will tell you it needs a concreter and walk away. Send us a photo or book a look and you will have an honest answer within 24 hours.
