The TerraFirm retaining panel can be used for either a stand-alone retaining wall or a fully integrated modular wall, enabling developers and homeowners to incorporate noise prevention and earth retaining functions into a single, seamless wall structure.

Our  TerraFirm panel is capable of retaining up to 0.75 metres, whilst bearing a surcharge live load of up to 2.5kPa.

Because these same modular walls systems are also used to accommodate a wide range of acoustic panels, the incorporation of the TerraFirm panel can be used to create walls that serve as both noise barriers and earth retaining structures.

This saves a significant amount of time, money and space by avoiding the need to build a separate retaining wall which occupies a sizeable amount of land. There is no need to enlist a separate team of contractors for a separate building project, while the creation of a single wall that fulfils two purposes maximises usable land space.

Compared to the heavy concrete sleepers that are traditionally used for the creation of retaining walls, the lightweight reinforced composite panel is easy to install, requires far less machinery or labour and occupies much less space.


  • Integrated retaining wall panels
  • Fibre cement skin to both sides
  • High density EPS core
  • Internal heavy-duty steel reinforcement
  • Retains up to 0.75 metres
  • Up to 2.5kPa surcharge live loads

  • Brochure
  • Specifications

View our commercial brochure.

Density15.90 to 20 kg/m²
Panel height600 to 1200mm
Panel width2400mm
Soil retentionUp to 750

Projects Using TerraFirm

Cost-saving retaining wall for developer

The developer needed to build both retaining and acoustic walls for the subdivisions of a master planned community in Southwest Sydney.

View Project