You can apply the POR 15 over paint or rust. Just be sure the
surface is clean and don't plan on painting over the POR 15 without
sanding it . If you do it won't stick.
On Thu, 16 Apr 1998, Joseph Cianciotti wrote:
> I can't get the old paint off the floors of my B. The rust is exposed.
> But the paint won't come off with a wire brush or 3M pad on my drill.
> Do I need to remove all the paint before I use the POR-15?
> If so, can I use a paint remover like JASCO?
> And what happens to the underside of my car when it goes out the drain
> Won't that create new places for rust?
> Please answer as soon as possible as the interior is removed and this is
> my only set of wheels.
> 67 B Roadster