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Amvic Geofoam is block or planar low-density rigid cellular foam made from Expanded Polystyrene (EPS) for geotechnical applications.

Specification guide


Geofoam can be used for a variety of applications, including:

  • Lightweight fill for construction on soft ground
  • Slope stabilization
  • Retaining wall or abutment backfill
  • Roadway/runway subgrade insulation
  • Road Embankments
  • Bridge construction


Geofoam is produced in blocks that can be cut to suit specific projects. It can also be produced in a range of densities to meet your project needs.

Geofoam provides several benefits over other types of geosynthetic materials.

  • Cost effective
  • Superior Performance
  • Lightweight
  • Durable (high compressive strength)
  • Low moisture absorption
  • High thermal insulation properties
  • Unaffected by occuring weather
  • Design flexibility
  • Environmentally friendly