It is designed for fixing stoneware and ceramic tiles characterized by absorbability > 0.5% to most indoor and outdoor substrates. Substrates may include: regular concrete, light aggregate and cellular concrete; cement and anhydrite screeds also with underfloor heating; cement, cement-lime, lime, gypsum plaster; gypsum-cardboard and gypsum-fibre boards, chipboard wall panels; old ceramic tile claddings and flexible sealing materials.