DW CONEXION 77 serves for the adhesion of all types of panels that are commonly used for the production of thermal insulation systems such as polystyrene, polyurethane, graphite, mineral fiber on tile walls, concrete or cement-based mortars. DW CONEXION77 is a high-quality, high-quality Portland-based Gray-based Gray material, sandy carbon sand with selected granulomenters, synthetic resins and special adhesives, which improve workability, adherence to hard surfaces, and enhance the strength of mortar hydrophobicity to the rains.