Application : Brush,roller or spray. STIR THOROUGHLY BEFORE USE. Seal new or bare surfaces with a thinned first coat of Dulux Trade Supermatt (up to 1 part clean water to 3 parts paint). The normal finishing process is 2 coats of thinned Dulux Trade Supermatt (up to 1 part clean water to 5 parts paint). For best colour consistency, purchase sufficient tinted paint for each job at one time from the same source.