Choosing the wrong service wastes money and can leave the underlying problem unresolved. This guide breaks down the most common damage types and explains exactly which intervention each one requires.
What Is the Difference Between a Repair and a Refurbishment?
Alloy wheel repairs address structural or mechanical problems. Buckles, cracks, and significant kerb damage fall into this category — damage that compromises the integrity of the wheel or affects how it performs under load.
Alloy wheel refurbishment restores the surface finish. This involves stripping the existing coating, treating the alloy substrate, and applying a fresh finish — typically powder coating or diamond cutting.
The two are not mutually exclusive. A cracked wheel must be structurally repaired before any cosmetic work is carried out. Skipping that step risks the finish failing prematurely, or worse, the wheel failing entirely.
Types of Alloy Wheel Damage: What to Look For
1. Scuffs and Kerb Damage
What it looks like: Abrasion or gouging along the rim edge, typically from contact with a kerb when manoeuvring. The damage is usually localised to one section of the wheel.
Repair or refurb? Shallow scuffs can be filled, sanded, and blended into the surrounding finish. Deeper gouges that expose bare metal or distort the rim profile will require a full refurbishment to achieve a consistent result.
Is it a safety issue? Rarely — unless the damage has compromised the rim’s structural cross-section.
2. Buckled Wheels
What it looks like: Lateral deformation of the wheel rim, usually caused by impact with a pothole or raised kerb. Symptoms include vibration through the steering column or floor, and handling that feels unstable or pulls to one side.
Repair or refurb? Straightening requires specialist hydraulic equipment to restore the rim to within tolerance. This is a structural repair, not a cosmetic one. Alloy Fix successfully restores up to 99% of buckled wheels.
Is it a safety issue? Yes. A buckled rim causes uneven tyre contact with the road, accelerates tyre wear, and places additional stress on suspension components. The GOV.UK MOT inspection manual (Section 5: Axles, Wheels, Tyres and Suspension) sets out the specific tolerances wheels must meet to pass inspection.
3. Cracked Wheels
What it looks like: A fracture in the alloy structure, most commonly at the spoke-to-rim junction or around the barrel. Cracks often cause a slow but persistent tyre pressure loss with no visible puncture in the tyre itself.
Repair or refurb? Crack repair involves specialist TIG welding to seal the fracture and reinforce the affected area, stopping crack propagation. Alloy Fix backs this work with a 1-year warranty. Refurbishment can follow once structural integrity is confirmed.
Is it a safety issue? Yes — and urgently so. A cracked alloy under load can fail without warning. Do not continue driving on a wheel you suspect is cracked.
4. Corrosion and Lacquer Failure
What it looks like: Oxidation appearing as white or grey blooming on the alloy surface, often accompanied by bubbling or flaking lacquer. This typically starts at the rim edge where the coating is thinnest and road salt and moisture are most aggressive.
Repair or refurb? Localised corrosion cannot be reliably treated with a spot fix — the contamination spreads beneath the coating. The wheel needs stripping to bare metal, chemical treatment, and recoating. Powder coating applied electrostatically and cured under heat creates a bonded surface that resists both corrosion and mechanical damage.
Is it a safety issue? Not immediately, but progressive corrosion reduces the alloy’s load-bearing capacity over time.
5. Diamond Cut Damage
What it looks like: Hazing, oxidation, or fine scratches on the machined face of a diamond cut wheel. Because the finish is highly reflective, even minor surface degradation is visually obvious.
Repair or refurb? The wheel is remounted on a CNC lathe and a precise cut removes the damaged surface layer, exposing fresh alloy beneath. A protective clear lacquer is then applied. This process requires specialist equipment and cannot be replicated by hand.
Is it a safety issue? Cosmetic only — but repeated diamond cutting does incrementally reduce material, so it is worth addressing before the damage deepens.
Quick Reference: Damage Type vs Recommended Service
| Damage Type | Recommended Service | Safety Concern? |
|---|---|---|
| Light kerb scuffs | Repair or refurb (depends on depth) | No |
| Buckled / bent wheel | Structural repair | Yes |
| Cracked wheel | Crack repair (urgent) | Yes |
| Corrosion / lacquer failure | Full refurbishment | No (short-term) |
| Faded or dull finish | Refurbishment (powder coat or diamond cut) | No |
| Diamond cut surface damage | CNC lathe refurbishment | No |
When Should You Act Immediately?
Book an inspection without delay if:
- You feel persistent vibration through the steering wheel or seat at speed
- There is a visible fracture or split anywhere on the wheel
- A tyre is losing pressure repeatedly with no identifiable puncture
- Your vehicle pulls to one side following an impact with a pothole or kerb
These symptoms point to structural damage. Continuing to drive risks further deterioration, tyre failure, and loss of vehicle control.
Get your free quote today
What Happens During a Fix?
Every job at Alloy Fix follows a documented process, using calibrated equipment and quality-controlled materials. You can find out exactly what to expect when you see our repair process.
Powder coating and diamond cut refurbishments carry a 3-year warranty — the only such guarantee offered in the UK. Crack repairs carry a 1-year warranty. Loan wheels are available so you are not left without transport.
Ready to Book?
If you know what type of damage you are dealing with, take a look at our pricing to understand costs before you get in touch.
Alloy Fix operates workshops in Romford, Dartford, and Hemel Hempstead, serving customers across London, Essex, Kent, and Hertfordshire. Contact the team and they will confirm which service is right for your wheels.
