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NOBLNG 01-16-2011 06:55 AM

Body cavity rust treatment
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I have an area under the tailgate of my Jeepster that is hard to access, but may collect water and cause rust. Does anyone know if a sealer of some sort can be sprayed (shutz gun maybe?) through a 2' or 3' piece of flexible tubing? Any other Ideas would be appreciated. I also thought of filling it with spray foam (messy) or seam sealer (hard to verify coverage).

hp246 01-16-2011 07:41 AM

I would not fill it with foam. My understanding is the foam holds water, and makes the problem worse.

This might be an old wives tale, and am sure that someone here can say yeah or nay, but an old bodyman I knew did a ground up restoration on an old mustang. Us used to take old motor old and spray the frame and some internal parts of the body. He;d let it set for a day or two. Swore it prevent rust better than anything else.

matts37chev 01-16-2011 07:54 AM

i dont know anything about this stuff but it looks interesting and might work for you

Johnunit 01-16-2011 10:06 PM

I've heard good things about the internal frame coating.

You could also talk to Krown or another rust-proofing company, they spray basically a commercial version of the eastwood stuff. They're usually relatively gentle on nice cars since all their customers are anal about the appearance of the cars.

If you're sure there isn't ALREADY significant rust, the used oil is a messy and environmentally nasty way to do it. I've done similar jobs with WD40, but never on cars I kept long enough to verify results.

malc 01-17-2011 06:20 AM

There must be something similar to this, Waxoyl, in the States.

cjperotti 01-17-2011 08:31 AM


Originally Posted by malc
There must be something similar to this, Waxoyl, in the States.

We do its called ziebart.

200horse 02-08-2011 12:13 AM

the caviety coating takes a special gun you can not spray it out of the schultz gun and get the results needed, The gun foggs the area getting coverage to everything. Cavity coating is very thin. A quart will do an entire car also Very good product

Pats55 04-27-2013 03:31 PM

calcium sulfanate is good for tailgates ,doors and inner frame protection and for brake lines in corrosive environments

malc 04-27-2013 11:27 PM

Original post.....01-16-2011, 02:55 PM......reckon itīs done.

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