It is designed for fixing all types of stoneware, ceramic wall and floor tiles, including large-format ones, to most indoor and outdoor substrates. It can also be used for natural stone tiles with the exception of marble, subject to prior checking for discoloration effect. Substrates may include: regular concrete, light aggregate concrete, cellular concrete; cement and anhydrite screeds also with underfloor heating; cement, lime, cement and lime plaster, gypsum plaster; rigid gypsum-cardboard, gypsum-fiberboard, wall chipboard; old ceramic tile facings and flexible sealing materials.