FAST PROTEKTOR is a preparation for removing fungus in the surface of masonry, façades, plaster, concrete, stones, without adversely affecting their surface (category II, group 10). For outdoor applications. FAST PROTEKTOR is a ready-to-use aqueous preparation, it is destructive to fungi and after preventive application, further migration or formation of new colors. The durability of the protection depends on the intensity of the environmental impact on the surfaces treated. FAST PROTEKTOR is odorless and colorless.