Polished brick intended for the construction of external single-layer walls without thermal insulation in buildings with a designed internal temperature of t1 <16C and / or in production, storage or utility buildings, as long as it is justified by the cost-effectiveness of the investment. It is made of thin-jointed Porotherm Profi masonry mortar, the use of which significantly speeds up construction works and improves the thermal parameters of the wall. Wall thickness: 38 cm.