🔧Puncture Repair vs Tyre Replacement: Which Do You Actually Need?

When Can a Puncture Be Repaired?

British Standard BS AU 159 sets out safe repair conditions. A repair is acceptable when:

• The puncture is in the central three-quarters of the tread — not the shoulder or sidewall
• The hole is 6mm or smaller in diameter
• The tyre has not been driven on while flat
• There is only one puncture — multiple repairs in the same tyre are not permitted
• Tread depth is above 1.6mm

If all conditions are met, a proper mushroom plug repair is safe, long-lasting and costs from £25.

When You Need a New Tyre

• Puncture in the sidewall or shoulder
• Hole larger than 6mm
• Tyre was driven on while flat, even briefly
• Visible bulge, cracking or structural damage present
• Tyre already has a previous repair
• Tread at or below the 1.6mm legal minimum

Run-Flat Tyres: Usually Replace

Run-flat tyres that have been driven on while deflated generally cannot be safely repaired — internal structure may be compromised invisibly. Most manufacturers recommend replacement.

What About Tyre Sealant?

Foam sealant kits are a temporary emergency fix only. Sealant can contaminate the inside of the tyre, making a proper plug repair impossible. Always tell your technician if sealant has been used.

FixMyTyreNow technicians carry both repair materials and replacement tyres on every van. We assess on the spot and give an honest recommendation. Call 07895 859505, 24/7 across London.