[Paddlewise] wooden boat advice needed

I have a Pygmy Arctic Tern that needs a protective coating. It has
been stored inside my garage for three years, not even paddled once! 
It is time to get her wet again, yet I know that I need to do
something to protect the epoxy from UV.  It was originally coated with
a product that wasn't varnish and I cannot remember the name of it,
other than it didn't need sanding. Also, my boat has a very elaborate
mural painted on the top deck, so sanding is not an option at all.

What kinds of products can I use to protect the epoxy from UV on my
boat?  I would really appreciate a good listing of my options.

Thank you,
Kevin Whilden
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