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Tyre Information: Repairing Punctures

When can you make a safe puncture repair?

Cuts, breaks and abrasions to a tyre casing can penetrate deep into the inner fabric of the tyre and prove extremely dangerous, especially if you are driving at speed.

However, damage of the tread caused by a nail, shard of glass or metal can often be safely repaired.

When can you safely repair punctures?

A flat tyre repair should be carried out in accordance with BSAUl59 regulations.

The British Tyre Manufacturers’ Association only condones tyre repairs which are carried out in accordance with the recommendations of this British Standard. It’s up to motorists to ensure that repair works to their vehicle are carried out within these guidelines.

For a puncture repair, only a special vulcanised plug patch should be used if it’s to meet the required standard.

Don’t let anyone attempt to repair your tyre to a lesser standard as it could prove fatal when driving at speed.

A tyre must be thoroughly inspected before repair and this must not be attempted in any cases where:

  • The tread depth is below the legal limit of 1.6mm across the tyre's circumference.
  • The structure of the tyre is broken or damaged by a foreign object in an area other than ‘T’ labelled above.
  • The tyre is worn out, aged or deteriorated rubber.
  • Cords are exposed.

We always recommend that you visit a trusted garage when you suffer a puncture.

How many punctures can be repaired on one wheel?

There is no limit to the number of repairs that can be carried out, as long as the puncture repair patches do not overlap.

However, you should never fit an inner tube with a tubeless tyre except on a tube-type wheel.

If your vehicle requires a puncture repair outside of this area labelled T on the diagram, it is deemed too close to the sidewall to guarantee a safe and lasting minor repair.

Expert advice

If you need a new set of van tyres or you’re after the latest car tyre deals, browse our range of tyres online. If you need advice on how to repair a puncture, you can contact our technicians at one of our fitting centres.


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