Hi,

My suggestion for this would be our Epoxy Coating Resin. Epoxies have good resistance to water ingress and our Epoxy Coating Resin has a nice viscosity for this kind of work and overcoats itself very well.

In terms of being able to go over your previous epoxy; yes, this should be fine. The one thing I would suggest to ensure compatibility is that you allow any coats of your previous epoxy to fully cure and then key the surface with a coarse abrasive paper before applying our epoxy. Subsequently, when applying multiple coats of our epoxy you only need to allow each coat to cure to a 'B stage' (firm but still tacky) before applying the next layer. No keying would be necessary between coats of our Epoxy Coating Resin.

I hope this helps,

Matt

Matt Statham
Easy Composites / Carbon Mods - Technical Sales