Applications

Kyowa Filter Unit have numerous proven applications in the prevention of erosion and subsidence of river banks and inland watercourses, both for temporary defences and long term stabilisation projects.

These sturdy protection units can be installed to prevent an imminent collapse, to provide effective flood defences, or to repair damaged river banks after a collapse has occured.

Kyowa Filter Unit are also used to build temporary dykes or roads to facilitate construction works in river environments.

They are used for stabilisation in dams, and shore preservation in lakes. In addition they have a number of applications in marine engineering. They can be used with traditional gabions.

Benefits of Kyowa Filter Unit

• Flexible
• Simplifies levelling work
• Prevents suction
• Manufactured with
  sustainable materials
• Adaptable to all soils and
  marine environments
• Harmless synthetic fibre
• Porous construction
  encourages ecosystems
• Rapid installation
• Easy maintenance
• Highly durable - complex
  net and mesh structures
  prevent unravelling

Installation of Kyowa Filter Unit

Same scene after 3 months

Technical Information

Kyowa Filter Unit are large corrosion-resistant nets manufactured from highly durable synthetic mesh, which Ridgeway can supply ready filled for delivery to your site. For more information on this and to learn about the filling process click here.

With their flexible structure Kyowa Filter Unit can easily be installed on uneven surfaces making them an ideal choice for river bank applications. There are three methods of installation commonly used in this type of setting: vertical piling, overlapping, or as in the images to the right placing flat.

At riverworks, the EcoGreen type is usually used. It is available in 2 or 4 ton sizes and has a durabiilty to ultra violet light exposure of 30 years. It is manufactured in double net form, is moss green in colour, and is made from polyester fibre using recycled plastic bottles.

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Adobe Acrobat PDF reader.

The EcoGreen Filter Unit has gained the Japan Environment Association Eco Mark awarded to ecological products. The intertiices provided by its filler material encourage the creation of ecosystems and the rapid re-growth of vegetation.

Kyowa Filter Unit have been rigorously tested for durability in all soil and aquatic environments - full details of the comprehensive testing regime can be found in the downloadable PDFs below.

Manufactured by Kyowa, Japan's leading supplier of marine filter units, they have been successfully used in small and large scale marine and civil engineering projects since the 1980s. Full instructions on filling the cassions can be supplied.