It is manufactured of low density polyethylene that used protect the not subjected to hydrostatic pressure concrete against to plant roots with creating a resilient cover in black color. It can be produced from 200 micron to 500 micron thickness.
It is a multi-purposes material that is used to prevent any damage to the insulation of green roofs caused by plant and tree roots. Furthermore, it can be used as a layer between two concrete sections to prevent the vapor permeability.
Width : 4m
Length : 25 m
Another sizes are available.