Composite drainage network (also called Geocomposite Drainage Mat, Drainage Geocomposite, Geocomposite Drainage Layer, Geonet-geotextile Drainage Geocomposite) is available in both single-sided and double-sided products with geonet core thickness from 3mm to 10mm, and geotextile fabric ranging from 100gsm to 300gsm. This drainage network has excellent liquid transmittivity ability. It can be widely used in a lot of aplicações de drenagem, como aterro, muros de arrimo, barragens, pontes, tratamento de águas residuais industriais, fundação e assim por diante. It can combined usage with other geosynthetic lining products such as Folha de geomembrana de PEAD, pano geotêxtil, Geogridto meeth the engineering projects design requirements for drainage, leak control, separation, reforcement and not limited on these aspects.