Wavin AS is the complete low noise, soil and waste system made of AstolanĀ® (minerally reinforced PP). It is the plastic alternative to cast iron. With noise levels of 12.8 dB(A) Wavin AS provides much better noise protection than required by the latest DIN standards. Wavin AS is available in DN 56 - 200 mm. It is one of the few plastic systems available in the market, which offer the DN 90 diameter for connecting water-saving toilets. Efficient and low-cost fire protection solutions are also available.