RE: DuPont Chromaclear
I wouldn't rely on any epoxy for UV protection. You will need to put several coats of good quality varnish over it, to provide that protection. That is how the better strip cedar kayaks and canoes are finished. 8 coats of Epifanes over West System epoxy. Then recoat as needed, usually 1 coat annually.
As I think about it, there is a San Juan 48 that moors near me, that has its rails finished with an epoxy, and looks good. If I get the chance to talk to its owner, I will ask whether he has varnish over the epoxy, and whether it is West System.
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