Our Crown Trade Fastflow Quick Dry Undercoat provides a classic low sheen finish. This water-based formulation is suitable for use on correctly prepared interior and exterior joinery and metalwork. Its Breatheasy formulation, which is 99% solvent-free, means that it is low odor and quick-drying, enabling minimal disruption during decoration. It has excellent flow properties to provide a smooth and classic finish. Provides a solvent-based finish with all the benefits of a water-based system. The Quick Dry Undercoat is Feels like a traditional undercoat. Ideal base coat for Crown Trade Fastflow Quick Dry Gloss.