Polygoal is a two-pa, high-build polyacrylic undercoat with excellent performance. Easy to sand and therefore especially suitable as undercoat for top grade enamels. Since it is high-build, even one coat is helpful to cover possible micro-porosities of the substrate. It can be applied to previously sanded epoxy primers or fillers and also directly to properly sanded GRP or gel-coat. Polygoal is an excellent undercoat which enhances the gloss of polyurethane finishes.