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Tyre Repairs

Tyre repairs at Draycott Engineering in Didcot, Oxfordshire - fast, safe and cost-efficient.

Tyre repair: Valuable tips and tricks

In these cases, it makes sense to repair the car tyres:

When is a tyre repair possible?

It does not matter whether the tyre is already past its best days or if it's a new tyre - a puncture is probably the nightmare of every driver. If it is an older tyre, the risk of damage is usually higher, because the material becomes brittle after a certain time.

But even with new tyres, breakdowns cannot be excluded. If for example, the permissible tyre pressure is exceeded or undershot, the tyre is much more susceptible to damage.

Pointed items such as nails or broken pieces of glass etc. can also find their way into the tyre more easily. The question many drivers ask us about a puncture is: "Is it possible to repair the tyre or do I need a new one?"

In which cases a tyre repair makes sense, and how it should be carried out, you will find in the following guide.

Almost every motorist will experience a flat tyre caused by a sharp object or a nail etc. at some point. It is usually beneficial if the damage is detected early. But is a tyre even repairable if there is a nail in it?

To be really sure, this question should only be answered by a specialist. We always advise our customers to come to our workshop as soon as possible and have the damaged tyre examined by our experts.

How it all works out also depends on how you acted after you noticed the damage:

Do not try to remove the item from the tyre. You could cause more damage. Remove/replace the damaged wheel as soon as possible and stop driving until it is clear whether a tyre repair is possible or a new tyre needs to be fitted.

If a puncture is not repairable, a new tyre is the only option.

In some instances, it is no longer possible to repair a tyre.

In the following situations, tyre repair can no longer be carried out:

If the vehicle has been driven with too low tyre pressure for a longer time, it may damage the inside of the tyre. In this case, it is not possible to repair the puncture.

In the case of a screw or a nail in the tread of a tyre, repair using a combined repair body ("repair mushroom" which is to close the hole by cold vulcanisation) is not possible if the damage has already expanded to 6 mm.

If a tyre repair spray or similar sealant has previously been used to repair the hole in the tyre provisionally, an expert repair will no longer be possible. If the damage is too close to the side wall of the tyre, a repair would not be possible as it would not be safe.

Therefore, always pay attention in advance on how you proceed after a puncture.

Tyre repair regulations

Even if you have followed the above recommendations, after a flat tyre, it can still not be said beyond doubt whether a tyre repair is eligible. A specialist should only make this decision.

The British Tyre Manufacturers Association highly recommends that all tyre repairs are carried out by the recommendations of British Standards BS AU 159.

Here is a brief outline of the points contained within BS AU 159:

The repair must only be carried out within the "T area" and requires a so-called plug patch and specialist filling material.

Repairs should not be undertaken if any of the following have occurred:

Inadequate tread depth (the legal limit is 1.6mm).

Splits, cuts, cracking or other weakness of materials, previous insufficient, repairs, contamination by solvents etc.

This is how our specialists at Draycott Engineering repair a tyre puncture

To be able to guarantee road safety a special technique must be used - the so-called "vulcanisation".

When repairing tyres, we make sure the damage is cleaned, prepared and then closed with the appropriate, best quality material and then fused with the tyre material. This is done by using a special vulcanising agent that needs to be heated.

This technique works very well, does not take very long and once the repair is done, the tyre can be re-fitted straight away.

Please note, certain tyres cannot or should not be repaired.

Run-flat tyres cannot be repaired.

For high-speed tyres such as those with the speed indexes V, W and Y a risk assessment has to be carried out first.

In such cases, a new tyre should normally be fitted so as not to endanger yourself and other road users unnecessarily.


In summary, it can be said that there are ways and means of carrying out a tyre repair before a new tyre needs to be purchased. However, care should always be taken to have the damaged tyre and wheel inspected by a specialist. Only an expert can decide whether a repair is eligible or not. A reliable tyre repair should and can only be carried out by a specialist workshop.

We hope you found this information helpful.

If you are experiencing any problems with your tyres, please get in touch with us. We will help you.

Your Draycott Engineering Team