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Where sheet metal is overlapped and spot welded around rear wheel openings, they sometimes have rust in between the two sheets. I have a simlar question about the bottom edge of crimped door seams. Can these be chemically stripped of rust, flushed out and epoxy sprayed?
What is the correct or best way to arrest the rust so it does not appear through the metal and paint in the future?
If the joint is bad enough to require repair, are the weld through primers actually succesful for their intended purpose?
I waded through the POR15 bar-fight, and know less than I did before. I've seen rust crack concrete, so I think a paint product is hopeless unless rust is gone.
What is the correct or best way to arrest the rust so it does not appear through the metal and paint in the future?
If the joint is bad enough to require repair, are the weld through primers actually succesful for their intended purpose?
I waded through the POR15 bar-fight, and know less than I did before. I've seen rust crack concrete, so I think a paint product is hopeless unless rust is gone.