In my opinion its OK to not use gel coat.
Originally Posted by grizzly_a58
My understanding of the stuff it that it produces the fine surface finish when fibreglass parts are made in a mould. It is also easy to shape and sand.
You can get a very good finish using resin but it just takes time and elbow grease!
One thing that I will say is that I've never been very happy when trying to join or modify parts using polyester resin, I always use epoxy resin, it sticks like "5hit to a blanket"! The problem is that its bloody hard to sand and bloody expensive.
I refuse to engage in a battle of wits with an unarmed opponent.
Rules for buying 'Go Faster' parts:-
If it's fast and cheap then it's not good.
If it's cheap and good then it's not fast.
If it's good and fast then it's not cheap!