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Tensar Mattress System

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When faced with soft foundation soils where expensive piling and other deep ground foundation treatments are not viable, the TensarTech® Stratum™ Cellular Foundation Mattress System provides an alternative approach for embankment construction, often delivering savings in cost and time.

There is usually no need for excavation and removal of the subsoil; the celluar foundation mattress is constructed directly over the weak soil and filled with granular material to create a stiff raft foundation. The TensarTech Stratum System is a continuous cellular structure, rapidly fabricated on site using a Tensar TriAx® geogridbase and cell walls formed with Tensar uniaxial geogrids secured at their intersection using simple polymer rods or bodkins. If required, after filling, the mattress can easily accommodate vertical wick drains to further accelerate consolidation.

The TensarTech Stratum Celluar Foundation Mattress System comes complete with the full design and construction support of our team of experienced engineers. They can provide everything from free application suggestions that even includes Professional Indemnity cover, so you can easily find the complete solution from one source.

  • Rapid construction
  • Can often avoid excavation and replacement
  • A valuable alternative to piling or other ground improvement
  • Even and controlled settlement
  • Can improve the bearing capacity of soft soils
  • Provides lateral drainage in conjunction with wick drains
  • Reduced loss of fill into weak foundation
  • Full design service available
  • Everything you need from just one source


Geotechnical Solutions

Whatever your project, we can help

For more than 30 years, Tensar’s innovative ground stabilization solutions have proven ideal for many kinds of construction and subgrade improvement projects, including paved and unpaved roads, parking lot, airfields, heavy duty pavements and working platforms. We also offer full technical support including design software, expert advice and site assessments.

Need Help?

Contact our technical team