The Toupret Humistop Anti-Damp Treatment 1L is an anti-damp treatment and is a specialist water based white coloured coating, this is suitable for applications to damp but not dripping interior surfaces such as cement, concrete, brick, stone. This is formulated using synthetic binders and fillers for the treatment of damp interior walls before painting or wallpapering. This can be over coated with any Toupret filler or any standard decorative coating system.