• AKASHI BRIDGE IN JAPAN
    1987: CONSTRUCTION OF AKASHI BRIDGE IN JAPAN
    FILTER UNIT – ROCKBAGS
    Start of the creation of a new, effective and successful product
  • OFFSHORE
    FILTER UNIT – ROCKBAGS
    Sea and Shore Deployment
  • CIVIL ENGINEERING
    FILTER UNIT – ROCKBAGS
    Simple and effective permanent or temporary solution
  • DISASTER CONTROL – EMERGENCY WORKS
    FILTER UNIT – ROCKBAGS
    Emergency and temporary deployment

Made from recycled PET

Removable and re-usable

As a permanent or temporary solution

Ecology

Supports natural vegetation and development of fauna and flora

Flexible

Adapts perfectly to all soils and reliefs, moves and shapes with the undulating topography of a river and seabed

Fast

Filled via a filling frame at low labour and equipment cost

Simple

Single point lifting system for a high speed of execution

CE-zerifiziert

CE-certified

Prüfzertifikat des PWRI

PWRI-certified (Public Work Research Institute)

ECOMARK

ECOMARK award

More than 20000 reference projects with man than 700,000 Filter Units sold

Scour protection and protection of hydraulic structures

River bank stabilisation

Riverbed protection

Embankments

Temporary roads



... and much more!

Fish passage

Protection of underwater cable and tubes

Disaster control – Emergency works

Temporary dam

Water protection

Where are they used?

Many different areas of application
Offshore – Protection of Waters – Protection of hydraulic structures – emergency works – temporary roads and dams

Offshore application

Filter Unit is a recognized solution, the flexible nature and versatility of which allows an easy and quick installation using sonar imaging, ROV, Utrov or divers. It can easily be decommissioned or retrieved.

More

Civil engineering application

Filter Unit is highly flexible making it very adaptable to complex marine civil engineering works. As a fast production product with a single point lifting ring it is an efficient and cost-effective option to traditional solutions.

More

Disaster control – Emergency works

Filter Unit are used in situations of preventing erosion or flooding, as well as stabilizing areas where subsidence has occurred. It is ideal for situations where ease of installation and versatility is important.

More