Puncture Repair vs Tyre Replacement — What You Need to Know

Can My Punctured Tyre Be Repaired?

Not every puncture means you need a new tyre — and not every puncture can be safely repaired. Understanding the rules helps you avoid unnecessary expense and stay safe. Here's the definitive guide.

When a Puncture CAN Be Repaired

According to British Standard BS AU 159, a tyre puncture can be repaired if:

• The puncture is in the central 75% of the tread (not the shoulder or sidewall)
• The hole is no larger than 6mm in diameter
• There is no secondary damage to the tyre structure
• The tyre was not driven on while flat (which causes internal damage)
• The tread depth is above 2mm at the time of repair

If all conditions are met, a proper two-piece repair (plug and patch from inside) is a safe and legal solution.

When a Puncture CANNOT Be Repaired

• Sidewall damage — cannot be safely repaired under any circumstances
• Shoulder punctures — too close to the flex zone, structurally unsafe
• Multiple punctures — weakens the overall structure
• Driven flat — heat builds up and destroys the inner liner and carcass
• Run-flat tyres — most cannot be repaired once used in run-flat mode
• Large holes or tears — over 6mm diameter

Beware of Temporary Fixes

Tyre foam sealants and portable inflators are temporary emergency measures only — not permanent repairs. They can contaminate the inside of the tyre and make proper repair impossible. Tell your technician if foam sealant has been used.

Cost Comparison

A professional puncture repair typically costs £20–£30. A new tyre starts from around £50 fitted for a budget option, up to £200+ for premium. Our technicians always assess whether repair is safe before recommending replacement.

Call MobileTyreGuys for an honest, on-the-spot assessment of your puncture.