Separation and filtration layer below the base course
Separation and filtration layer below the base course
Filtration geotextile
Secutex® 251 GRK 4
Functions:
- Separation of soil layers with different grain sizes
- Excellent soil retention of the filtration geotextile prevents washing out of lines
Requirements of Deutsche Bahn:
- Manufacturer related product qualification (HPQ) according to application 3.4*
- Mechanically bonded nonwoven geotextile GRK 4
Advantages:
- High permeability
- Rolls up to 6.0m width
- High frictional interaction
*Our geosynthetic product specifications are in line with the German manufacturer related product qualification (HPQ, Application number according to DB Standard 918 039 „Technical delivery conditions for Geosynthetics in railway constructions“, Deutsche Bahn AG) All mentioned products types are exemplary according to the above-mentioned specifications. The product types can vary according to local requirements or customer requests.
