Geosynthetic clay layer geosynthetic clay layer(GCL) is a waterproofing material,made of compound geotextile,non woven geotextile with expansion bentonite in the center.It is specially used in artificial lake,landfill,underground garage,roof garden,tank,oil depot and other chemical yard.There are many small fibre space in GCL after being needle...

Tri-dimension composite geonet for drainage Tri-dimension composite genet for drainage is a new type of geosynthetics.Its made of atri-dimension geonet coated with geotextile on both sides. Network core consists of a tri-dimension thick vertical rib, and a rip on top and bottom .It can drain underground water quickly, also there is a protection...