| abstract |
The invention relates to a multi-layered geomembrane for a building sector comprising outer layers (14, 22, 24) containing a base polymer and a plasticizer, and a glass fabric (20) and a glass fabric, scrim or grating (18 ), wherein the plasticizer is a low molecular weight plasticizer, the proportion of which in the base polymer containing outer layers between 25 wt .-% and 40 wt .-% is. |