Anyone who wants to construct water-impermeable concrete structures must pay particular attention to one planning challenge: the joint. Its sealing has a major influence on the safety and service life of a building. We offer reliable systems and products with which you can seal joints and surfaces in a weather-resistant manner. With our expanding waterstop tapes, joint tapes, and coated metal waterstop sheets as well as injection hose systems, you can guarantee unrestricted, high-quality building use, even with pressing water. Our digital application FLEXSELECT supports you in making the right product selection.