BAUMASTIC priming concentrate based on an water-based dispersion of acrylic-styrene resin. Designed for priming absorptive and porous surfaces, both for indoor and outdoor use, in particular mineral substrates made of cellular concrete, brick, gypsum plasterboard, plaster-cardboard panels, ceramic and silicate hollow bricks, cement and cement-lime plasters and others. It is used for proper preparation of the substrate before gypsum plasters and gypsum finishes, cement and cement-lime plasters, levelling screeds, cement primers and before using gypsum adhesives and adhesive mortars. Dilute with water in a ratio of 1:2 (primer: water) or 1:3 (primer: water), depending on the absorptivity and type of substrate It is suitable for indoor and outdoor use.