Premixed adhesive based on cement class C2 TE S1 for the indoor and outdoor installation of floor and wall coverings, with high workability, extended open time and increased adhesion and good capacity to absorb the substrate’s deformation, zero vertical slip. Specific for floor and wall coverings also non-absorbent, natural stones, overlapping non-absorbent materials, large formats on large surfaces screeds with insertion of underfloor heating, for application of porcelain stoneware at low thickness.