A hard two-part semi-gloss poly-urethane undercoat.
Provides an extremely smooth, pinhole-free surface prior to topcoating with any Epifanes high gloss poly-urethane. Good flowing properties, very quick drying, medium filling and easy sanding.
Mixing ratio by weight: 4 parts base component A with 1 part curing agent B. (4 :1). Stir well and allow to activate for 15 minutes before use (at 70°F./20°C.).
Suitable as filling undercoat for interior and exterior on bare fiberglass, on existing polyurethane based finishes or on epoxy based systems above the waterline for fresh and salt water.
For more specific application guidance, please refer to the Product Datasheet.