One further milestone in the corporate history was the POLO-KAL S3 pipe: the innovative factor being the composition of the pipe. The three-layered mineral substance-reinforced domestic waste water conduit system is characterised by its highly sound insulating properties. The system found its major application in the field of down pipes (maximum noise development). Just a few years later, in 1994, the POLO-KAL NG was developed. It was meant to cover the segment of floor conduit systems. POLO-KAL NG and POLO-KAL 3S have become an indispensable product and have meanwhile met with an enthusiastic response.
