Greenfix Ero 400 embankment mat is used at sites where stronger erosion protection is needed. Available is the Ero 400, which can be installed on the surface or to support a slope from inside the ground layers. Erosion blankets are installed inside ground layers, so that roots can grow through them and form a support structure for slopes. Structure similar to Greenfix 7 erosion blanket, 100% cocoa fibre, but comes with another cocoa net on top, so has a double structure. Weight 800-900 g/m². Greenfix Ero 400 S is a seeded embankment mat where the seeds are subsumed in soil within the mat. Weight 900-1000 g/m². Even stronger versions are available for both options: Ero700 and Ero 700 S, weight 1100-1300g/m², available on special order.