Does Epoxy Fade in Sunlight?

Yes if the topcoat is not UV stable. UV-stable topcoats resist fading and yellowing.

Key points

  • Standard epoxy: yellows and fades
  • UV-stable topcoats: resist fading
  • Fix: recoat with a UV-stable topcoat

Frequently asked

Can I add UV stability later?

Yes, with a UV-stable topcoat applied over the properly prepared existing coating.

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