Fiberglass a Wing – Tips for producing a smooth surface

There are many ways to apply fiberglass cloth to a structure. The most common methods use either polyester or epoxy resin and catalysts. Some of the resins require unequal mix ratios, like one part epoxy to two parts hardener, which is difficult to measure accurately. I also dislike polyester resin because it really smells foul. For all these reasons, I now use Pacer Technology’s Z-Poxy Finishing Resin (#PT40). It is an equal-mix product that has...