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Geofoam buy in Watertown
Buy Geofoam


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USA, Watertown
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Geofoam is closed-cell expanded polystyrene (EPS) manufactured by Benchmark Foam, Inc. In relation to the geotechnical engineering field, it is considered a super-lightweight fill material because it is 50-100 times lighter than other so-called lightweight fill materials. Geofoam is generally defined as EPS billets used in geotechnical applications such as residential, commercial or civil in order to reduce settlements and/or improve substructure support conditions.

Geofoam Solutions for Geotechnical Applications

Geofoam is used as a lightweight fill in areas where the subgrade is too unstable and cannot carry predictable loads by means of other common fill or lightweight products.

Because of the extreme lightweight physical properties of Geofoam, it can significantly reduce stress and settlements on large earth structures.

  • Reducing settlements
  • Minimizing lateral pressures on retaining walls
  • Slope stability
  • Embankments on unstable soils
  • Highway insulation
  • Bridge abutments
  • Frost protection
  • Lightweight void fill
  • Tunnel projects and various underpasses
Specifications Benchmark foam, Inc. provides Geofoam in a block form with dimensions of 36.75" x 48.5 x 97" or 194". Custom block fabrication is available in order to meet most jobsite requirements. Geofoam is also available in a range of standard specifications depending on your projects needs and is manufactured to ASTM D6817-07 guidelines.
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