NZFoam Geotechnical Foam.

Searching for a light weight alternative to hardfill behind concrete structural walls?

NZFoam’s specially designed and field-proven polyurethane foam systems are used when a lightweight spray fill is required over conventional heavy weight hardfill mixes, high strength; high density; low exotherm and fast application make this the system of choice when filling utility trenches, expansive void areas or expansive areas with questionable, soil load-bearing characteristics.

Performance Benefits:

  • Dimensionally stable closed cell foam
  • Permanent solution
  • Structurally sound, self-holding, ideal for difficult situations
  • Fast application
  • Able to be returned to service within hours
  • Impervious to moisture
  • Extremely resistant to impact


Foam Insulation Types:

Closed Cell Foam


Open Cell Foam