Johnstone's Trade Ultra FlatJohnstones Trade UltraFlat Matt is a broadwall emulsion designed to deliver a consistent, uniform matt finish, irrespective of lighting conditions, making it ideal for walls and ceilings. With its Low Reflectance Technology and ultra fine texture, it successfully eliminates flashing* and gives you the best opportunity of an invisible spot repair, for a professional finish, every time. Johnstones Trade UltraFlat Matt will cover approximately 13 square