PSB Deep Penetrating Primer 5l Universal priming emulsion for absorbent and porous surfaces, indoors and outdoors. Added to adhesive mortars, it protects them against cracking. Coverage: 0.05-0.2 l/m2; Advantages: perfectly evens out the uneven absorbency of mineral substrates and reduces the absorbency of porous substrates of previously painted walls and facades effectively strengthens the substrate intended for wallpapering or laying ceramic tiles increases adhesion to the surface facilitates the removal of wallpaper when renovating rooms increases flexibility and scratch resistance; Application: Priming of absorbent and porous substrates (aerated concrete, concrete, cement boards, gypsum boards, plasterboards, gypsum, cement and cement-lime plasters), primer for paints, plasters, wallpapers, screeds, leveling and self-leveling floors, putties, adhesives, ceramic tiles, acrylic and mineral plasters, protective coating for screeds.