Biaxial Geogrid

Wrekin geogrids are advanced geosynthetic materials with a competitive range of engineering properties including strength, modulus, weathering resistance corrosion, resistance and creep performance that are the equal of any others in the world. Our E-Grid range of biaxial geogrids are manufactured from polypropylene which is unaffected by all chemicals, including acids, alkalis, salts & micro-organisms normally found in soil.

Biaxial Egrids can solve pavement problems by reinforcing granular sub-bases, capping layers & railway ballasts in areas of weak/variable soils. When granular particles are compacted over these grids, they partially penetrate and project through the apertures to create a strong and positive interlock.

Benefits of the using Geogrid

  • Reduced fill depth up to 40%
  • Reduced aggregate costs
  • Reduced costs of excavation
  • Reduced aggregate tax costs
  • Reduced landfill costs
  • Helps control differential settlement
  • Reduces rutting
  • Improves fill compaction
  • Increases design life and improves life-cycle managemen
Key Specification
SS 20
SS 20
SS 30
SS 40
Tensile Strength (Kn/m) 20 20 30 30 40 40
CBR Puncture Resistance (N) 7.0 7.0 10.5 10.5 14.0 14.0
Water Permeability (l/m2/sec) 14.0 14.0 21 21 28 28
Pore Size (µm) 40x40 39x39 40x40 39x39 33x33 33x33
Weight (g/m2) 0.2 0.2 0.3 0.3 0.5 0.45


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