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Puncture Repair

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Tyre punctures have a habit of showing up at most inconvenient and unexpected times leaving you stranded and frustrated. A nail on the motorway would not differentiate between a new tyre or a worn out one. You can opt to repair or replace the punctured tyre; mainly depending on the location of the puncture or the damage it caused.

Puncture Location

According to the British Standard (BSAU159) compliance requirement, you can carry out tyre puncture repair only to the central three-fourth area of the tyre. The puncture damage outside this designated area is considered unsafe as it is too close to the sidewall. In running condition, the sidewall carries the maximum load in the tyre. If the damaged sidewall is patched, there is a strong possibility of the patch getting detached due to high pressure and movement, ultimately leading to tyre failure. Regardless of the puncture location, you could also cause severe damage to the sidewall if you keep driving on a flat tyre as the sidewall will be strained between the wheel rims and the surface. Unless you are driving on Run-Flat tyres, we recommend not driving your vehicle on flat tyres to increase the probability of successful puncture repair and prevent causing permanent damage to them.

Puncture Damage Size

Along with the location, the size of the damage is also an essential factor to consider during tyre puncture repair. BSAU159 British Standard states that any tyre damage in diameter more than 6mm must not be repaired and is deemed unsafe. In such a case, the tyre must be replaced. Puncture damages in the form of cuts and splits are considered to be irreparable.

Tyre Condition Check

Before puncture repair, we, at Phillips Tyres carry out a detailed assessment of the condition of the tyre to ensure if it is in safe and repairable condition. We check the following components:

  • We check Bread wire for any visible damage.
  • We check tread and rubber separations.
  • We check for any deterioration caused by leaking grease or corrosive fluid.
  • We check tyre tread for potential wear.
  • We assess tyre tread depth.
  • We assess if sidewall was subjected to any strains because of overheating.

In case of damage to any of the above components, we will be unable to repair your car tyre. In such a case, we recommend you replace your car tyre with a new one. 

Possible Solution: Run-Flat Tyres

Run-Flat Tyres enhance car and road safety as they protect the car from falling off the road even high-speeds in case of a sudden tyre puncture. Run-Flat tyres consist of the reinforced sidewall that allows you to drive your vehicle for a limited period (at a finite speed) even when it's punctured. Using run-flat tyres will save you from being stranded in the middle of nowhere and allow you to find safety and get help.

You are recommended to drive the car only up to 50 miles at speed under 30mph on punctured run-flat tyres. Now, when run-flat tyres are punctured, the entire structure of the tyre wall could be potentially compromised, and there is no way to know the severity of it. Hence, unfortunately, the run-flat tyres must be replaced and cannot be repaired upon puncture.


Always keep a fully functional spare tyre with you in case you suffer from tyre puncture at inconvenient times. You can bring the damaged tyre for puncture repair to us at Phillips Tyres garage in Oxford, UK. We are also in Bicester and Wheatley.

Call us on 01865 775522 for queries and enquiries.

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