Under sealing car

  1. My model of MX-5 is: NA
  2. I’m based near: Cambridge
  3. I’m looking for technical help or recommendations on: Can anyone recommend a company to undertake underseal/rust proofing.

There’s Thrussington Garage, a bit far for you perhaps, but if you were willing to travel.

https://thrussingtongarage.co.uk/

Thanks, will look them up