Cement based joint-stucco for tiles of enamel structure enriched with special polymeric resin, suitable for sealing joints of ceramic tiles, marbles, walls and floor granite for interior and exterior spaces. It is characterised by high mechanical resistance, an enamel structure without any cracks as well as color homogeneity and stability. It is applied to joints with 0-8 mm width. It coagulates rapidly and is classified as EN 13888 CG2 joint-stucco.