The Nidastyrène RA blocks made of expanded polystyrene, in large dimensions (1200 × 3000 mm), are highly resistant and suitable for large-scale construction volumes.
Use: Road and landscaping embankment
Material: Expanded polystyrene
Manufacturing: Made in France
0.36
m³
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Using lightweight embankments such as Nidaplast® provides a simple and cost-effective alternative to traditional soil reinforcement solutions, helping to reduce or eliminate settlement in compressible foundation soils. This solution also limits vertical and lateral forces exerted on engineering structures or buildings, thereby optimising and reducing the cost of the supporting structures on which the embankment is installed.
Applications are numerous:
• Road embankments on compressible or unstable soils: bridge abutments, retaining walls, bank reinforcement, road widening, landslides…
• Construction: reducing loads on concrete slabs, limiting lateral pressures on foundations, lightweight filling for planters.
• Landscaping: reducing the weight of landscape embankments.
The use of Nidastyrène RA is particularly well suited to road embankment construction. Its technical and economic characteristics make it an ideal choice for projects involving very large fill volumes.
Road embankment
Landscaping embankment
Building
Key benefits :
Using expanded polystyrene blocks such as Nidastyrène RA as road embankment fill provides several major advantages.
Their light weight significantly reduces surcharge loads on compressible or unstable soils.
Thanks to excellent mechanical compression resistance, this material can effectively replace heavier traditional fills.
Furthermore, its low Poisson’s ratio reduces lateral earth pressures and limits settlement—an advantage for engineering structures or road widening projects.
Installation is quick and easy on site, helping to optimise construction timelines.
Finally, this lightweight fill solution supports a more sustainable approach: it is easily recyclable and stable over time.
Material :
Expanded polystyrene
Made in France
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17 Nov. 2025
17 Nov. 2025
17 Nov. 2025
Made in France
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