Will Fiberglass Resin Melt Foam?

Will Fiberglass Resin Melt Foam? Simply put: Polyester Resin, or fiberglass resin will melt EPS foam. You must use Epoxy resin when working with EPS/polystyrene. PU, polyurethane foam, will be okay with either polyester resin or Epoxy resin. When doing repairs, it’s generally a good practice to try to match whatever resin the board was