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Puncture Repairs

Tyre Puncture Repair

Tyre Repair : Puncture Repairs

What Is a Tyre Puncture? How Dangerous is it?

A tyre puncture, better known as a flat tyre, is a condition in which a pneumatic radial deflates causing the wheel's rim to ride on the ground or on the tread of the tyre. This could potentially lead to loss of vehicle control or permanent tyre damage.

In case of a flat tyre, you must gradually slow down and come to a standstill on one side of the road. If you continue to drive, you might end up damaging the wheel or be responsible for a deadly accident, in case the speed is high and you lose control.

Common Causes of Tyre Punctures

The most common cause of a tyre puncture could be slow or rapid deflation of a tyre, depending on its size, due to a sharp object penetrating it on the go.

Other factors that could cause a tyre puncture are:

  1. Failure of a tyre's valve stern.
  2. Breakage of the link between a tyre and rim owing to a collision with an external object.
  3. Excessively worn out tread that could result in an explosive tyre failure or debris from the road tearing through the tyre.
When (and When Not) to Repair a Tyre?

Tyre Puncture Repair is a tedious task and not as straightforward a process as it may seem. These are regulated by a certain BSAUl59 British Standard that defines limits to the repair materials that can be used and total number of repairs that can be carried out on a tyre, based on the tyre size and location of the puncture.

A tyre must be thoroughly inspected before repair and a repair must not be attempted in case of any of the following symptoms:

  1. Tread depth below the legal limit of 1.6mm across the tyre's circumference.
  2. Broken structural integrity or run flat damage.
  3. In case of any damage caused by an external object.
  4. Worn out, aged or deteriorated rubber.
  5. Exposed cords.
  6. Any sign of previous faulty repairs.

In case you are uncertain about whether your car tyre must be repaired or not, seeking expert advice is a must.

Tyre Repair Services Available at National Tyres and Autocare

Skilled, experienced and certified tyre technicians carry out the following tyre repair and maintenance services at National Tyres and Autocare:

  1. Puncture repairs
  2. Wheel balancing
  3. Wheel alignment
  4. Damage repairs due to tread penetration by sharp objects like nails, glass or metal
  5. Tyre pressure checks

Book a "tyre health check-up" today or drive into your nearest branch.

Your life is precious. And it depends on your tyre's health.

Puncture repairs are carried out in accordance with NTDA and BSAUl59 regulations which stipulate that:

  • Tyres can only be repaired in the area marked 'T'.
  • For tyres rated 'V' and above, only one repair is allowed.

No repairs Minor penetration repairs are not permitted in this area.


In every case the tyre should be inspected and if any of the following are noted then it shouldn't be repaired:

  • Illegal tread depth (below 1.6mm across the central ¾ of the tyre tread throughout the entire circumference)
  • Run flat damage - breakdown of the tyre's structural integrity
  • Secondary damage - caused by the injuring object
  • Ageing/deterioration of tyre rubber
  • Bead damage
  • Exposed cords
  • Faulty/poor previous repairs

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