Date: Thu, 17 Jun 2004 15:38:25 -0500
Reply-To: Andrew Gies <andrew_gies@CANGENE.COM>
Sender: Vanagon Mailing List <vanagon@gerry.vanagon.com>
From: Andrew Gies <andrew_gies@CANGENE.COM>
Subject: Re: Seam rust?
Content-Type: text/plain; charset="iso-8859-1"
I just POR15'd the lower seam and utility inlets on my Westy's "utility"
panel. I think this is a common trouble spot for Westy's in any
geographical location. There is ample opportunity for water to back in
there and fester away without you noticing.
Anyhoo - the POR15 is awesome stuff. I don't have any long term comments
yet - but it sticks to rust and bare metal like a VERY tough second skin.
FYI - the inside seam is VERY annoying to grind, and an angle grinder won't
get in there, so you have to get yourself a dremel, a couple grinding bits
and lots of patience.
I slathered both sides with a couple coats of POR15, and then some POR15
sealant in the seam itself. From the looks of it, the rest of the body will
rust away before this seam acts up again...
My current issue is the bondo I am using to smooth out the areas where the
paint was grinded away. The POR15 "topcoat" primer that they specify to go
over the POR15 - bubbles up, and peels away when I put a thin layer of bondo
over top. It doesn't warn you about this in the instructions for either the
"topcoat" or the bondo. Maybe this is common knowledge - but this is my
first attempt at body work - and this is my first go at bodywork.
Anyway, unless your seam rust is REALLY bad - if you take the time to get at
it properly, you should be able to stop it in it's tracks.
Andrew
-----Original Message-----
From: developtrust [mailto:developtrust@COX.NET]
Sent: Thursday, June 17, 2004 2:54 PM
To: vanagon@GERRY.VANAGON.COM
Subject: Re: Seam rust?
Just be sure to do both sides of the metal or it will rust from the inside.
http://www.por15.com/
MANY PRODUCTS CLAIM TO STOP RUST; SOME ARE PAINTS, SOME ARE CONVERSION
PRODUCTS, SOME ARE RUST TREATMENTS. NONE SEEM TO REALLY STOP RUST
PERMANENTLY. WHY IS POR-15 DIFFERENT, AND WHY SHOULD I BELIEVE IT WILL WORK
ANY BETTER?
Rust is caused by moisture coming in contact with metal, which causes a
chemical action called oxidation. All paints provide a measure of protection
for a while, but since they are eventually softened and weakened by
moisture, it is only a matter of time before moisture penetrates the painted
surface and attacks the metal below. All of the so-called rust preventive
paints on the market (except POR-15) are weakened by exposure to moisture.
POR-15 is strengthened by exposure to moisture. Notice the hardness of the
POR-15 coating. It doesn't chip, crack, or peel like ordinary paints do, and
its hardness will resist the wear and tear of every day life.
Rust conversion products claim to change the chemical nature of rust and
convert it to a more stable element that won't rust again. History of the
failure of these products is well documented; most simply don't work for
more than a few months at best, and they are subject to the same chipping
and cracking that occurs with ordinary rust coatings.
POR-15 works because it chemically bonds to rusted metal and forms a rock-
hard, non-porous coating that won't crack, chip, or peel. It keeps moisture
away from metal with a coating that is strengthened by continued exposure to
moisture.
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