Mapei UltraCare Deep Protector is a ready-to-use, water-based spray that offers long-lasting, colourless protection against mould formation on a variety of wall surfaces. Ideal for both interior and exterior use, it is suitable for materials such as natural stone, render (including painted render), cement, terracotta, grouts, ceramic, and klinker. The product penetrates effectively without altering the appearance of the surface, creating a durable barrier that prevents the recurrence of mould. It is the perfect follow-up treatment after using UltraCare Deep Cleaner, ensuring long-term cleanliness and protection.