Expanding the Range: – Ridgeway Filter Unit® Rockbags Now Available in 1 Tonne Eco Green and 12 Tonne S Type

12 Tonne S Type Filter Unit® Rockbag

At Ridgeway Rockbags, innovation is shaped by the real challenges engineers and contractors face every day — whether stabilising a riverbank or protecting offshore infrastructure in high-energy marine environments.

As infrastructure demand increases on land and at sea, so does the need for flexible, reliable, and fast-to-install scour protection solutions. In response, Ridgeway is proud to announce the expansion of the Filter Unit® Rockbags range with the introduction of two new purpose-built units:

  • 1 Tonne Eco Green
  • 12 Tonne S Type

This expansion enables project teams to specify one trusted system across a broader range of applications — from compact civil works to major offshore developments.

1 Tonne Eco Green Filter Unit® Rockbag – Designed for Civil Engineering Applications.

The new 1 Tonne Eco Green Filter Unit® Rockbag has been engineered specifically for civil environments where ease of handling, speed of installation and flexibility are essential.

Applications include:

  • Riverbanks and waterways
  • Drainage channels and outfalls
  • Culverts and bridge protection
  • Temporary or permanent erosion control works
1 Tonne Eco Green
12 Tonne S Type Filter Unit® Rockbag

12 Tonne S Type Filter Unit® Rockbag – Engineered for Offshore Applications

At the opposite end of the spectrum, the 12 Tonne S Type Filter Unit® Rockbag has been developed to perform in demanding offshore and high-energy marine environments where stability and durability are critical.

Applications include:

  • Offshore wind turbine foundations
  • Scour protection around monopiles and jackets
  • Subsea pipelines and cable protection
  • Coastal and marine infrastructure projects

Proven Performance, Same Trusted Design

Both new sizes retain the core features that make Ridgeway Filter Unit® Rockbags a trusted solution:

– Manufactured with high-performance geotextiles

– Designed for rapid production and deployment

– Available in a wider size range (1, 2, 4, 8, and 12 Tonne)

– Consistent quality and repeatable installation.

Whether on land or at sea, the same engineering principles apply — reliability, speed, and safety.

One System. More Applications.

The introduction of the 1 Tonne Eco Green and 12 Tonne S Type Filter Unit® Rockbags means specifiers can now utilise a single, proven system for both civil and offshore projects. This results in simpler procurement, greater on-site flexibility, and a solution that adapts to your project — not the other way around.

If you would like to discuss how the expanded range can support your next project, the Ridgeway Rockbags team is ready to assist you.

12 Tonne S Type Filter Unit® Rockbag

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