High performance grout, non-irritating, polymer-modified, anti-inflorescences, for filling joints from 2 to 20 mm, quick setting and drying, hydrophorescent with DropEffect and mould resistant with BioBlock technology. Grouting of floor coverings and ceramic cladding of any kind (bikochen, preserving equipment, porcelain stoneware, clinker brick etc.), terracotta, stone material (natural stones, marble, granite, chipboard, etc.) as well as glass and marble mosaic.