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I'm getting ready to do a little project that involves covering new 1/8" sheet aluminum with spray-on 2 part urethane bed liner.
The bed liner instructions recommend priming the aluminum before applying the liner. I contacted the company about primer recommendations however I haven't heard anything back.
Does anybody have a recommendation on a good aluminum primer that is comparable with urethane?
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Look for a good self etching epoxy primer. Here's a nice, brief article; https://garage.eastwood.com/eastwood...imer-aluminum/
scuff with 180 , clean and prime with spi epoxy .
I know Raptor liner has an epoxy primer they recommend, I wouldn't think it would be different for aluminum.
I use an etch primer on aluminum. Some of the epoxy primers are self etching, just something to think about when you pick a primer.