Before revision: Bituminous Geomembrane sample Bituminous Geomembrane (BGM) are a type of geomembrane consisting of a reinforcing geotextile to provide mechanical strength and elastomeric bitumen (often called asphalt in U.S.) to provide impermeability.
After revision: Bituminous Geomembrane sample Bituminous Geomembrane (BGM) is a type of geomembrane consisting of a reinforcing geotextile to provide mechanical strength and elastomeric bitumen (often called asphalt in U.S.) to provide impermeability.