Dulux Trade Weathershield Exterior Quick Drying Satin is a water-based, flexible, weather resistant topcoat for exterior woodwork. Contains a fungicide to prevent mould growth and provides up to 6 years protection when used as part of a 3 stage system alongside Weathershield Exterior Preservative Primer+ and Weathershield Exterior Quick Drying Undercoat. Application is by brush with coverage up to 20sq/m per litre. Touch dry in 2 hours and recoatable in 4 hours.