Preventing erosion of slopes

Terram GravelSure can also be used for Stabilising steep slopes, river banks, ditches, spillways and other exposed areas, often prone to damage caused by erosion from wind or water.

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Terram GravelSure geocell- soil retention

Soil retention using Terram GravelSure (Gravel Sure) geocell retains soils or aggregates within its cell structure, making it ideal for permeable gravel paths and for stabilising steep slopes, river banks, ditches, spillways and other exposed areas, often prone to damage caused by erosion from wind or water. It can also be used as a 'non-dig solution' over tree roots in trafficked areas, preventing damage to roots.

100mm deep cells are recommended for use in a foot traffic application, 150mm deep for use in a light vehicle (cars) application and 200mm deep cells for a heavy vehicle application (frequent use - access road at site)

In a flat horizontal application this is for use for protection of tree roots. In erosion control application then the difference between cells depends on the slope angle it is being used on - up to a slope of 30 degrees a cell diameter of 35cm is recommended anything between 30-45 degrees a 25cm diameter cell is recommended. We do not recommend application on a slope over 45 degrees.

Using a permeable landscape geotextile fabric such as Terram GravelSure Geocell (Gravel Sure), in conjunction with a permeable paving solution such as gravel, permeable concrete block paving or porous asphalt, planning permission will not be required.

Download the Guidance on permeable surfacing of front gardens document.

For help or advice on using Terram GravelSure Geocell or any other Terram Landscaping products, use our HOW TO guides.