Highly flexible, five-layer underfloor heating pipe in accordance with EN ISO 21003 made of polyethylene with increased temperature resistance. Oxygen-tight with EVOH coating to DIN 4726; application area Tmax 70 °C, 6 bar. Suitable for particularly rough installation conditions thanks to the 5-layer technology; SLQ quality-monitored and compatibility tested. Classification in accordance with EN ISO 21003: Application class 4: 6 bar, Tmax 70 °C