Pre-mixed, highly flexible, frost-resistant, easy to process and to spread grey adhesive mortar with cement and synthetic resin binder, in powder form. Suitable for attaching ceramics, frost-resistant tiles, stoneware, artificial stone, marble and granite slabs, both indoors and outdoors, and on concrete, cement, and cementlime plasters that meet the requirements for substrates. Can be used on surfaces subject to large temperature variations (e.g. premises with floor heating, south-facing terraces, balconies), paving slabs subject to intensive use, wet premises, swimming pools with outdoor waterproofing and for attaching the tiles used to cover swimming pools