The Dulux Walls Ceilings Matt Paint Pure Brilliant White is a smooth, creamy emulsion paint that is perfect for walls and ceilings. The ready mixed paint minimises the appearance of imperfections and is ideal for a modern, flat finish. This emulsion paint is suitable for interior walls and ceilings, and covers up to 14m per litre on average. Apply 2 coats with a brush or roller, leave 2-4 hours between coats. Do not apply in very damp or humid conditions or in extreme temperatures. TIP if the colour change is strong, more coats may be required.