Dulux Trade Diamond Matt is a tough, washable matt emulsion paint that uses Diamond Technology from Dulux Trade to give it 10 times the durability of even vinyl silks. It is resistant to many common stains and will wipe clean without polishing up. When overcoating previous solvent-based paints, a first coat of Dulux Trade Diamond Eggshell should be used. Suitable for use on normal interior wall and ceiling surfaces.Touch Dry: Dependent upon temperature and humidity. Drying Times Recoat: 4-6 hours. Practical Coverage A guide to the practical coverage which can be achieved under normal conditions is up to 16m2 / litre.