Hi - I have used the uni-mould system for a few tools and works well. 

I just noticed the EMP60 and EMP160 moulding paste today and was wondering if this can be used with my existing vinylester tooling gelcoat resin that I have in abundance here at the shop?

This is for a smaller, more complex part where the moulding paste would be much easier than a full uni-mould layup.

If it can indeed be used, should the gelcoat be allowed to cure completely before applying an epoxy paste for reinforcement?