Dulux Matt Rock Salt paint 2.5 litres is a smooth and creamy emulsion paint for use on walls and ceilings which is ideal for a modern, flat finish. Chromalock is a technology exclusive to Dulux that creates an invisible protective barrier around the colour on your walls, protecting from the wear and tear of everyday life, bringing you colour that lasts. Coverage is 13 m²/L. Leave 2-4 hours to dry between coats. Dulux Rock Salt Matt Emulsion Paint 2.5L - Product Details: Decorating & DIY, Paint, Interior Paint, Walls & Ceilings Paint, Dulux Rock Salt Matt Emulsion Paint 2.5L