​The water-based sealer is a primer based on synthetic resins in water emulsion, titanium dioxide, mineral pigments, quartz flours and additives with a waterproofing effect. Formulated for subsequent applications of synthetic-based cycles. The water-based sealer has excellent adhesion on all types of old or new mineral substrates based on lime, cement, concrete, natural stone but also on old paint and organic substrates such as old dispersions.