The rehabilitation of former industrial sites regularly appear the problem of building on contaminated sites. Containment is based on the implementation of a drainage geocomposite, the SOMTUBE GAZ, for creating a preferential path and avoid any gas accumulation on the underside of the geomembrane under the building.
The SOMTUBE GAZ consists of:
- A non-woven filter web needled,
- From mini-drains ringed regularly perforated,
- A non-woven drainage layer needled.
It has two decisive Advantages:
- Fast and economical technical solution,
- Design by an authorized design office.