For health and safety reasons related to all solvent-based paints, spray application is not recommended. STIR THOROUGHLY BEFORE USE. Apply 1 coat of the appropriate coloured Dulux Trade Undercoat, followed by 1 or 2 coats of Dulux Trade High Gloss. Allow a minimum of 6 hours for the undercoat to dry before applying the Gloss finish. Where a second coat of Dulux Trade High Gloss is required, allow a minimum of 16 hours between coats. Key features -Coverage: Up to 17m² per litre -Number of Coats: 1 coat -Drying Time: After 6-16 hours -Application: Brush or roller only.