For TPO geomembranes and geomembranes that are difficult to weld, the new inseam scraping nozzle is a practical problem solver. We recommend using it with the UNIDRIVE 500 when welding TPO. Due to the patented procedure with the grooves, welding geomembranes is also possible. In addition, users achieve a reliable and slag-free weld with increased weld seam strength.