Originally Posted by
ezbrit
Within the composite industry, putting a epoxy layup over a polyester layup is a definite no no for the reasons I have stated above. Even when we have to bond two polyester parts together, we use polyester resin with cotton flock and fumed silica rather than high performance adhesives like Hysol 9360.
Sounds like your building boats utilizing old school methods, those old methods work alright but there are much stronger ways of getting it done these days with epoxy or acrylic structural adhesives either one ...
Bob