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Product guide

CarPlan Flat Mate CFM506 500ml Tyre Puncture Repair

CFM506 Puncture: CarPlan Flat Mate is a 500ml emergency tyre repair sealant for tyres sized 17 inches and above. The manufacturer describes it as a temporary get-you-home repair for tubeless tyres, applied through the valve without removing the wheel, followed by a short drive to distribute the sealant.

At a glance

  • Applied through the tyre valve without wheel removal or tools, according to the manufacturer.
  • After application, the instructions call for driving approximately 6-8 miles (10-14km) to spread the sealant, then checking and adjusting tyre pressure.
  • The listing says the tyre size can be found beside the R marking on the tyre sidewall.
Price
£8.17Save 16%

Reference price: £9.73

Price checked: 12 Nov 2026

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Pros and cons

Pros

  • Valve application avoids changing the wheel as part of the stated emergency procedure.
  • The stated fit includes large tyres from 17 inches and use in medium to large cars, 4x4s and vans.

Cons

  • This is described as a get-you-home repair, not a permanent puncture repair.
  • It is limited to tubeless tyres and is explicitly unsuitable for bicycle tyres and motorcycle tyres with tubes.

Technical specifications

7 specifications
Identity
BrandCarPlan
ModelCFM506
Dimensions and weight
Dimensions listed6.5 x 23.5 x 6.5 cm; 440 g
Weight listed440 g
Compatibility and use
Suitable tyre sizeSuitable for large tyres 17 inches and above
Vehicle typesFor use on medium to large cars 4x4s and vans
Tyre construction limitationFlat Mate is not suitable for bicycle tyres or motorcycle tyres with tubes – it is only suitable for use with tubeless tyres.

What to know before buying

  • Use only on tubeless tyres. The instructions say to shake the can, position the valve at the top, apply the foam until the tyre is firm, drive approximately 6-8 miles (10-14km), then check and adjust pressure. They advise warming the can with your hands or car heater in cold weather. The product description mentions some motorcycles, but the title and size guidance target tyres 17 inches and above. Check your tyre size and construction before use.

Who is it for?

A good fit for

  • Drivers of medium to large cars, 4x4s or vans seeking an emergency sealant for a compatible tubeless tyre sized 17 inches or above.
  • Motorists who want a valve-applied temporary repair without removing the wheel.

Less suited to

  • Bicycle tyres or motorcycle tyres with inner tubes.
  • Anyone seeking a permanent repair or a product for a tyre below the stated 17-inch threshold.
CarPlan Flat Mate CFM506 500ml Tyre Puncture Repair · photo 2
Additional product photo 2

Customer reviews on Amazon

4.3 / 5 · 115 ratings
  • 5 stars62%62%
  • 4 stars18%18%
  • 3 stars14%14%
  • 2 stars3%3%
  • 1 star3%3%

Customer feedback describes the sealant as effective and reliable, with reports that it has helped customers more than once. Quality, functionality and value are also mentioned positively. This feedback may be relevant to drivers wanting an emergency option for a compatible tubeless tyre, but it does not establish performance for every puncture or override the stated size and tyre-construction limits. The overall rating distribution is mostly five-star, with a smaller but meaningful middle and lower-star share, so experiences are not uniformly positive.

Positive themes

  • Customers describe it as effective and reliable and say it has helped them in emergencies.
  • Quality, functionality and value for money receive positive mentions.

Frequently asked questions

Which tyres is CarPlan Flat Mate intended for?

The listing specifies tyres 17 inches and above and names medium to large cars, 4x4s and vans. It is for tubeless tyres only, not bicycle tyres or motorcycle tyres with tubes.

Does the wheel need to be removed to apply it?

The manufacturer describes application through the valve without wheel removal or tools.

What should I do after applying the sealant?

The instructions say to drive approximately 6-8 miles (10-14km) so the sealant spreads, then check and adjust tyre pressure.

Is this a permanent puncture repair?

No. Flat Mate is presented as an emergency get-you-home repair.

CarPlan Flat Mate CFM506 500ml Tyre Puncture Repair · photo 3
Additional product photo 3

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