Étanchéité / Protection à l'eau OTTOFlex Feuille liquide 7KgProduct details Fields of application Composite sealing in moisture prone rooms and wet rooms underneath ceramic coverings and natural stone using the thin bed method Suitable for very various substrates, e. g. gypsum, gypsum plasterboards, gypsum fibre, (cellular ) concrete, masonry, stone, screed Characteristics Synthetic resin dispersion based on styrene butadiene Sealing against humidity Compatible with commercially available tile adhesives and