Lớp lót đất sét địa kỹ thuật Bentonite (viết tắt của GCL) tự gắn và tự niêm phong to concrete or other construction structures thanks to its excellent swelling property. It is a good performance and cost-effective waterproofing barrier. It can be widely used in waterproofing or erosion control projects such as landfill, basement foundation, park foundation, decorative pond foundation and so forth.