German Partners Naue visit atal HQ

Last Friday we had the pleasure of being joined by Andy Cracknell, a Director from our German Partners Naue, who, through innovative ideas are leading the way into the future of Geosynthetics and their applications.

This training focused on Naue's product, Bentofix. Bentofix® X types are multicomponent geosynthetic clay liners (GCL) – also known as geosynthetic clay barriers (GBR-C). These needle-punched, reinforced composites combine two durable geotextile outer layers and a uniform core of high-swelling powder sodium bentonite clay, with an additional polyethylene extrusion-coated barrier. This forms a uniform, multi-directional, shear-resistant, hydraulic, multi-component barrier with self-sealing and re-healing characteristics.

Bentofix® GCL is an extremely versatile clay-based lining product. Once hydrated, Bentofix® is an effective barrier against liquids, vapours, and gases. With over two decades of successful installations, the range of Bentofix® applications is virtually limitless:

  • waste and contaminated soil caps
  • landfill base liners
  • gas and vapour seals
  • surface impoundment liners
  • secondary containment
  • dams, canals, and water courses
  • tailings containment
  • groundwater protection
  • sorptive barriers
  • vertical barriers
  • waterproofing

Bentofix is also safe. Strong and durable nonwoven geotextiles encapsulate and protect the layer of sodium bentonite ensuring its long-term performance. And since Bentofix® contains highest quality sodium bentonite, an immediate swelling following installation is ensured to safely self-seal any unexpected mechanical damages. (Example Below)

Because of its immense elongation capacity, Bentofix® GCL shows a long-term adjustment to earth deformations, such as differential settlements. Steep slope applications are easily accommodated by Bentofix®. A unique fibre-bonding process locks the needle-punched fibres into place creating high internal shear strength with unsurpassed creep resistance. Bentofix® also addresses the often critical issue of interface friction angles. The mechanically bonded nonwoven geotextiles provide the shear resistance necessary for even the most demanding applications. This fibre reinforcement also prevents lateral migration of the bentonite. Bentofix® geosynthetic clay liner is clearly superior to conventional compacted clay liners. Bentofix® GCLs are certified by government regulators.

Bentofix® GCLs outperform significantly thicker layers of compacted clay. The exceptional, immediate swelling characteristic of powdered sodium bentonite provides a long-term barrier that can “self-seal and re-heal” (e.g. swell to fill potential punctured/damaged zones) and rehydrate to renew the barrier even if it has been exposed to desiccation. The highly engineered geotextile outer layers provide outstanding protection against piping of the bentonite, durability to resist damage, and strength to manage the challenges inherent in barrier designs, such as for security on slopes and against fluctuating heads.

Our staff consistently undergo training by industry experts in order to provide customers with the best knowledge in Structural Waterproofing. Connect with us by visiting our website.