Wavin Asto straight extension pieces are used for installing Wavin Asto drainage system with sound insulation and they are designed for compensation of thermal expansion pipes.
Wavin Asto straight extension pieces are made of astolan - it is patented material, and it is polypropylene with mineral additives. This material improves sound insulation of Wavin Asto straight extension pieces. Also the straight extension pieces are resistant to aggressive environments and high temperatures - the maximum working temperature is +95 °C.
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