Hi all I have some yellowed white paintwork that I want to refresh. I was planning to lightly sand back the surface and then repaint the gloss. But given that most of the pigment in paint is in the primer & undercoat, is it worth sanding back to the undercoat and re-coating that before re-glossing?
Thanks J^n
If the surface is smooth and still basically white after your light sanding, then just a coat of gloss should be fine. Otherwise a coat of primer/undercoat first. No need to over sand if it's sound
Thanks Stuart, that's useful
J^n
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