GreenBlue Urban

Model GrassRings - Structural Support Modules


Invented in 1992, GrassRings were the world’s first structural soil modules introduced to the market. This system was the model for all further soil cell modules created. Now, GrassRings (& GravelRings) are used as a structural grid system to stabilize and reinforce grass and gravel.

The GrassRings structural soil support system will prevent compaction of the root zone resulting in a grass trafficable surface.  Compaction of the top 1” (30mm) of soil underneath grass must be prevented.  If this layer becomes compacted, grass roots are unable to obtain necessary oxygen, moisture and nutrients from the soil causing the grass to suffocate and die.  GrassRings will prevent this compaction from occurring.

Similarly, GravelRings is a unique concept in gravel stabilization for driveways and paths.  Loose aggregate surfacing is a highly popular and cost effective method of creating an attractive hard landscape finish to paths, gravel driveways and parking areas.  The porous nature of loose aggregate or gravel makes a valuable contribution to a sustainable urban draining system, as well as being a lower cost alternative to bound gravels or other porous hard landscape surfaces.  The GravelRings structural soil support system is a gravel stabilization grid that controls the issues caused by loose gravel, such as gravel migration and rutting, difficulty in walking, cycling, or pushing small wheeled vehicles.  GravelRings is a simple and efficient way to create a 100% permeable stable gravel surface that will remain looking good for years to come.

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