Looking for finish that protects from UV and fading
I'm making an outdoor sign for some friend's business. Can anyone recommend a clear finish that protect from weather and fading of color ?
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No clear, regardless of claims, can UV protect like an ever so slightly tinted finish
(technically prescription glasses or windows provide a "measurable amount" of UV protection, but you'll need some kind of science-type equipment to measure it)
Best bet is a "spar" varnish or urethane, or Sikkens Clear Door & Window
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