Water thinnable primer/sealer based on acrylic dispersion for interior and exterior use. Equalizes the absorbency of porous substrates and allows for proper adhesion of subsequent wall paint systems. To fix powdering or chalking paint residues on porous substrates.Facilitates wall papering. Unsaponifiable. Excellent adhesion and impregnating properties. Recoatable with emulsion and solventborne paints. Water vapour permeable. May be diluted with up to 4 x its volume of water.