Polyurethane (2-component) varnish vs. epoxy ?

[Nevs]

Never tried polyurethan.. Are there any +/- ?

[Moonie]

Epoxy is water proof and way harder.

[dasboata]

Never tried polyurethan.. Are there any +/- ?

Poly will turn yellow and I think also the epoxy best to use a 2 part automotive clear I use to use dupont 580S it was great stuff but imron based

[Nevs]

Thanks. Well then epoxy it is. In this video they finish with poly, and it looks beautiful, (52 min. 30 sec.)

https://www.youtube.com/watch?v=eWxeNLIoric

But if it is to "soft" it makes no sense...

[T.S.Davis]

I just did one with spar urethane. It will yellow I think and isn't super tough but I already sealed with epoxy prior. I kinda like that aged look.

[Nevs]

I ended up using Spray MAX 2K clearcoat, (spray can). It was too mutch work using epox and brush, ( and the use of P1500 wet sanding afterwards).. I have no mask and have to do it outside before 8 am, (thats when the bugs wake up). The Spray MAX is really great I think. It evens out very well, and does not run if you do as instructed.. I probably overdid the stickers and painted black spots...But its just a cover up for most of my "mistakes".
First 2 pic.

https://www.rcgalleri.dk/fotoalbum/teknik-projekter/39732-crackerbox__vbox