Rated 5 out of 5 by anonymous from castin’ craft resin. clear polyester. i used this as an experiment to see if it could handle weathering .. Epoxy resin. what is an epoxy resin and where should it be used? epoxy resins are powerful adhesives, which when properly formulated, soak into the wood, form a. Resorcinol glue has a long history as a boatbuilding adhesive. it is a strong, waterproof and reliable glue for boatbuilding..