Originally Posted by
jammerrs
what does a painted floor do then?
or do people still use a rust protection under the paint?
Its just like the painted top of your car? If its painted onto a non rusty base, its fine
In my opinion to do the underside correctly, you need to take it to bare metal, prime, then stonechip, then paint, then waxoil if required. Should leave you with a really well protected floor