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Can resin go over my existing drive? When an overlay saves money, and when it is a false economy

An overlay is one of the best value jobs in driveways, when the conditions are right. Here is how to know if yours qualifies.

Resin being trowelled onto a driveway
The short answerResin bound can often be laid as an overlay on sound existing tarmac or concrete, which saves the cost of a new sub-base and can be completed in about a day. The existing base must be stable, without significant cracks, sinking or movement. If it is failing, the resin will fail with it, so the base needs repairing or replacing first.

"Can you just put resin on top?" It is one of the most common questions we get, and the honest answer is: often, yes. But not always.

When an overlay works brilliantly

If your current tarmac or concrete is sound, an overlay skips the most expensive part of the job: digging out and building a new base. Our team can usually complete a resin overlay in a day, and you can drive on it 24 hours later.

When it is a false economy

  • Large cracks that are still moving
  • Sunken areas or dips that hold water
  • Crumbling edges or a surface breaking into pieces
  • Signs the base was never built properly in the first place

Resin is a beautiful finish. It is not a structural repair.

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The middle ground

Sometimes most of the drive is sound and one section is not. In that case, we can repair or rebuild the weak area first and then overlay the whole thing, so you get a seamless finish without paying for a full rebuild.

How we decide

On a free site visit we look at the existing surface, check for movement and talk you through the options honestly. If an overlay will last, we will say so. If it will not, we will tell you why. Read more about resin driveways or see a three-step resin install.

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