POR-15 over paint is wasted $$ IMO. It is really for
treating metal and thats what i used it for. What do
you mean by "diaper"?

My westy has about a half gallon of POR-15 in its
seams (they ALL were rusty) I sandblasted first(used 6
bags of sand!) Used "metal Prep"(acid etching
compound) then POR-15 and primer.......Its been about
a year and a half and some areas are starting to rust
again(where water accumulates, like the seams below
air intake holes)

If I were to do it again I would have used a two part
epoxy paint instead, REALLY THICK stuff

My 2cents

Phil

--- 80 Westy Pokey <pokey@VANAGON.ORG> wrote:
> I really want to be able to drive my van year round,
> but I
> want to protect it as best I can from rust. So I was
> thinking
> about doing the entire underbody (a la
> http://www.bulley-
> hewlett.com/VWindex/)and maybe the first 12" (up to
> the
> indentation in POR-15. But I don’t think you can
> use POR-15
> over paint�| has anyone done this?
>
> Thanks,
> Chris
>

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