There should be three, the outer sill, the inner sill and the lip of the
floor panel.
POR 15 is a moisture absorbing material, and gets harder the more
moisture it absorbs. SInce it locks moisture into it's structure, it
keeps it from getting into the metal, preventing further rust.
Oxysolv is like Naval Jelly, a weak phosphoric acid, it dissolves rust
leaving a zinc coating when you wash it off.
Corroless, seems like an oil based paint, Rustoleum style. the oil in
the paint seeps into the metal, preventing rust.
Michael Ferguson wrote:
>
> When you open the door of a TR3A, you can look down and see an aluminum trim
> piece that covers the joint where the outer sill (skin) meets the lip of the
> floor pan. If you remove the aluminum piece so you can see the edges of the
> sheet metal, how many edges of said sheet metal should you see? Seems to me,
> I should see two - the outer skin and the floor pan. Or is there a third
> piece?
>
> I'm stripping the paint off of my car and I've discovered three places where
> the PO tack-welded a sheet metal patch OVER the rusted original (two front
> wings and one section of tub just behind the door). Nice, huh?
>
> Anyway, when I removed the aluminum trim, I see three edges. I'm betting
> that one is the floor pan, another is the outer sill and the third is the
> ORIGINAL outer sill sandwiched between the other two. PLEASE tell me there
> are supposed to be three edges showing.
>
> (On the other hand, I should probably remove it anyway to make sure the
> inner sill is ok...Right?)
>
> BTW, I asked about POR-15 vs OxySolv vs Corroless a few days ago and got
> only one response (about POR only). No one knows about these products?
>
--
George Richardson
Wyvern - '57 Triumph TR3, TS15559LT -
http://www.merlingroupinc.com/tr3.htm
Griffin - '71 Triumph Stag - undergoing restoration
Pikachu - '75 Triumph TR6 - undergoing repair
Kitty - '83 Jaguar XJ6 Vanden Plas - Daily Driver
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