Tyre sealant is fine as an emergency get-you-moving fix, but it's not a repair. For a small puncture in the tread when you have no spare, it can save the day. But it won't help with bigger holes or sidewall damage, it can make a proper repair impossible, and it has to be cleaned out afterwards.
When sealant helps
- You have no spare wheel and a small tread puncture.
- You need to move a short distance to a safe place or a fitter.
- The kit is in date, sealant expires.
The downsides
- It can ruin a repair. Sealant coats the inside, and some fitters won't repair a sealant-filled tyre, meaning a new one.
- Limited scope. No good for holes over ~4mm or any sidewall damage.
- Messy and temporary. The tyre still needs proper inspection.
- Balance issues. Sealant can throw the wheel out of balance.
A better option for most drivers
If you'd rather not gamble on a sealant kit, a mobile fitter is more reliable. We come to you, inspect the tyre and either repair it properly or replace it, no sealant residue, no compromise. Our 24-hour service covers London and Birmingham.
Used sealant already?
Tell us when you book so we can plan for it. Book a fitter and we'll sort the tyre out properly.
