Repairs
Kerbed your alloy? Here is what happens next
Everyone does it. It is the least interesting thing that can happen to a wheel and the easiest to fix. But there is a clock on it, and that is the bit worth knowing.
What kerb damage actually is
You have removed the finish — lacquer, colour, primer — from the outer edge of the rim, and usually taken a small amount of aluminium with it. In the great majority of cases that is the whole story: cosmetic damage to the outer face, nothing structural.
It matters because the finish was the thing keeping the weather off. Bare aluminium at the rim edge is now exposed, and it will start to oxidise. On a diamond-cut wheel it is worse, because the corrosion tracks sideways under the lacquer from the point of the scuff, and what starts as a 20mm scuff becomes a spreading milky halo across a third of the face.
The repair
For a powder-coated wheel: strip, repair the damaged edge back to profile, colour, lacquer, cure. It is the most routine job we do and it is the cheapest. The wheel comes back as one continuous, uniform finish — not a patch that matches in the workshop and does not in daylight.
For a diamond-cut wheel: strip the lacquer, repair the edge, re-coat the base colour, machine the face on the lathe, re-lacquer. More steps, more cost, and it uses one of the wheel's finite number of cuts.
Do you need all four done?
No — and we will say so rather than push you into a set. We refinish single wheels constantly and match them to the other three.
When a full set does make sense: if the other three are dull, oxidised or peeling anyway; if you are changing colour (obviously); if you are selling or handing back the car; or if the difference between one fresh wheel and three tired ones will bother you every time you walk up to it. That last one is a real reason and we are not going to pretend otherwise — but it should be your call, not a quote written to make it for you.
What about smart repair?
A mobile smart repair — sand the scuff, fill, blend, spray, done on your driveway in an hour — is a legitimate service and there are people who do it well. It is quick and it is cheap.
What you should know is what it is not. It is a localised repair blended into an existing finish rather than a new finish. There is no chemical strip, so the wheel keeps whatever was failing underneath. There is no oven, so the coating is air-dried paint. And on a diamond-cut wheel it cannot reproduce the machined face — the best a smart repair can do is a silver paint approximation that looks convincing in a photo and less so in the sun.
If you need a car tidy for a viewing on Saturday, a smart repair is a sensible answer. If you want the wheel fixed, it is not the same job.
The five-minute check worth doing
Once you have kerbed a wheel, look at three things: is the tyre sidewall scuffed or bulging (bulge means replace it, now); does the wheel look bent at the flange where you hit it; and has the car developed any vibration since. If any of those is a yes, it is not just a scuff and it wants looking at properly rather than filling.
Quick answers
Do I need to repair a kerbed alloy wheel straight away?
It is not urgent for safety if the damage is purely cosmetic, but there is a real clock on cost. The scuff has exposed bare aluminium, which oxidises — and on diamond-cut wheels corrosion tracks sideways under the lacquer, turning a small scuff into a spreading milky patch. A fresh scuff is a cheap repair; a corroded one is not.
Do I have to refurbish all four wheels or just the damaged one?
Just the damaged one is fine — single wheels are refinished and matched to the rest of a set routinely. A full set only makes sense if the others are already tired, you are changing colour, or you are preparing the car for sale or lease return.
Is a mobile smart repair as good as a full refurbishment?
They are different jobs. A smart repair blends a localised fix into the existing finish with no chemical strip and no oven cure, so the wheel keeps whatever was failing underneath. It is fast and cheap and fine for a quick tidy-up, but it is not a new finish, and it cannot reproduce a diamond-cut machined face.
Can kerb damage make a wheel unsafe?
Usually not — most kerb damage is purely cosmetic. But check for a bulge in the tyre sidewall, a visibly deformed rim flange, or any new vibration. Any of those suggests the impact did more than remove paint, and the wheel and tyre should be inspected properly.
Want a straight answer about your wheels?
Send a photo and your reg. We are in Wickford, and we cover Essex, Kent and East London.