Polish before coating?

LOL, Not sure I ever heard anyone say you HAVE to polish first, as in something like its a LAW. But ok.
 
You can absolutely coat a non-polished paint.

Just like you can stain or paint a piece of un-sanded wood with saw marks, pits, or burrs.

The product (coating or paint/stain) will adhere either way.

It's just that the non-polished or un-sanded surface will never look as good.

Period.
 
PaulMys said:
Just like you can stain or paint a piece of un-sanded wood with saw marks, pits, or burrs.
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Good point, I still say a clay removing contaminants will allow to coating to last longer due to removing contaminants but like you said, even that isn’t required.

But your quote is a good one. Stained wood that has coarse sanding marks that weren’t removed properly look horrible and essentially makes it look like a failed project.
 
CleanIT said:
The part I was interested in and surprised by was not whether one should or shouldn't polish, but rather, would a coating bond to a non-polished surface. And the answer appears to be yes, with no issues.

I would always polish before applying a coating, but subsequent applications I would evaluate the paint first and if it is in good shape per my standards, I would just re-apply it and save the clear coat (and time/$).
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Remember this is from Esoteric. I like them but the are not chemists. So unless they have tested it on a vehicle for a year or two I would take it with a grain of salt.

And I did too my CQUK at the 1.5 year mark with CanCoat just doing a chemical decon. The coating didn’t need it still performing 80-85%.

It did perform better for the 3 months I had the car before an accident.


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