[GrahamBrown1]

Originally Posted by Kev0607

What about wax oil, made by Hammerite?

Let's say a car that had a rusty subframe, but it was only surface rust. Could a wire brush, maybe light sand paper (some prep basically) and a coat of wax oil do it any harm?

This is the exact stuff I’m talking about, you will see rust start to come through the coating. As soon as it’s penetrated the moisture and salt sets in and that’s it. It’s terrible stuff. I had a Mazda which wasn’t in best shape, gave it some of this black gunk and next mot it was twice as bad, scrape it away and it was bright orange underneath and that was just after one winter. You need a film like fluid film or lanoguard or even heavy lube type sprays such as chain oil offers some protection. The metal still needs to breath.


This guy knows a thing or two about rusty cars, runs a garage in the salt belt area or North America. Lucky to get 10year out a car there if it’s not protected.

https://youtu.be/nXvl9nt57Kg?si=ZnUMk6uF3YW0k2oZ