Waterproof Building MaterialsChina Bentonite Geosynthetic Clay Liner for Landill/Bentonite Waterproof Pad, Gcl for Basement, Find details about China Geosynthetic Clay Liner, Geocomposite Bentonite Liner from Bentonite Geosynthetic Clay Liner for Landill/Bentonite Waterproof Pad, Gcl for Basement