Ceresit CT 85 mortar is designed to warm up external walls of the buildings with the application of a light-wet method and EPS-boards. It is an element of ETICS (External Thermal Insulation Composite Systems) within Ceresit Ceretherm. CT 85 mortar is used for fi xing EPS-boards as well as applying the armoured protection layer to insulate the newly erected objects and also the buildings to be thermo-renovated. CT 85 through the use of a highly targeted combination of special fi bres, increases the resistance of insulation system on damage and resistance to the formation of cracks and hairlines.