Tensar InterAx® Geogrid is an advanced subgrade stabilisation solution engineered to maximise soil–aggregate interaction and long-term structural performance
Manufactured using coextrusion and advanced polymer science, InterAx features an optimised multi-axial geometry that delivers superior confinement, load distribution, and trafficking performance compared to conventional biaxial, triangular aperture geogrids and chemical stabilisation methods.
By increasing the stiffness and compaction of granular layers, InterAx reduces lateral movement, rutting, and differential settlement across a wide range of subgrade conditions. Its ability to perform effectively with a broader range of aggregate types and gradations provides greater design flexibility while enabling aggregate thickness reductions of up to 70%, resulting in faster construction, lower material costs, and reduced carbon emissions of up to 65%.
To support design, specification, and performance validation, InterAx is backed by Tensar+, an industry-leading design platform that simplifies pavement optimisation. Tensar+ enables engineers to rapidly evaluate different design scenarios, assess cost and carbon savings, and generate project-specific design outputs with confidence – backed by decades of performance data and rigorous testing. You can access Tensar + here.
Proven across public roads, heavy-duty pavements, working platforms, railways, and foundation applications, InterAx delivers a resilient, high-performance stabilisation solution designed to withstand heavy loads, repeated trafficking, and severe environmental conditions.
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Frequently Asked Questions
InterAx features an advanced aperture geometry that enhances aggregate confinement and interlock, improving load distribution and long-term layer stiffness. This leads to better trafficking performance, reduced deformation, and longer-lasting pavements with less maintenance.
Yes. InterAx can reduce aggregate layer thickness by up to 70% while still meeting performance requirements. This not only cuts material costs and transport but also speeds up installation and reduces environmental impact.
Absolutely. InterAx holds BBA certification for subgrade stabilisation applications and is fully compatible with the Tensar+ design platform, making it easier for engineers and contractors to design efficient and compliant solutions.
Benefits & Features
- Reduces aggregate layer thickness by up to 70%
- Cuts carbon emissions by up to 65%
- Improves confinement and compaction of granular fill
- BBA certified and compatible with Tensar+ design software
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