Maxiwall Pro is now live!


Try our free, state of the art MSE software, exclusively for Terraforce walls, by clicking on the link:


Maxiwall Pro


Please note this is not a turnkey solution, it is essential to familiarise yourself with the software by going through the step by step tutorials avaible here:

Maxiwall 2015 – still available for those who prefer our previous software. Start using the system by clicking the buttom below:


Maxiwall 2015 is a user-friendly design software capable of calculating conventional gravity retaining and composite retaining walls. Utilising various Terraforce elements, it is capable of performing the necessary calculations based on varying input values, design parameters and statutory requirements. 

Maxiwall Pro allows Designers to easily produce complete Wall Designs utilizing the award winning Terraforce line of Concrete Retaining Wall Block (CRB) wall products. With all Block and Geogrid information preloaded, Designers can select from a wide range of proven Terraforce systems from easy to navigate drop down menus. 

Compared to other MSE Design Software options, Maxiwall Pro increases design efficiency, improves accuracy, and promotes a seamless flow of information between design stages and parties. It generates full wall layouts with accurate quantity estimates and comprehensive reports. The Calculation Engine can simultaneously run Static, Seismic, and Internal Compound Stability (ICS) Analysis in accordance to National Concrete Masonry Association (NCMA), American Association of State Highway and Transportation Officials (AASHTO), Standard for Load and Resistance Factor Design (LRFD), AU (Australian Standard), and British Standard Design Methodologies. READ MORE.

Please Note:

Design calculations performed by Maxiforce or Maxiforce Pro should be checked and verified by a registered Professional Engineer who is familiar with the site conditions and project materials. The calculations performed by Maxiforce or Maxiforce Pro, the Design Software for Segmental Retaining Walls are for PRELIMINARY PURPOSES ONLY. 

Rigorous laboratory tests were conducted pertaining to interblock shear resistance, whole block compressive strength and geogrid pull-out resistance. In the pull-out tests, the primary failure was rupture of the geogrid outside the blocks and performance was found to be above average, based on experience with a large number of systems tested over many years.

Terrasafe, Professional Design Service for Terraforce Walls:


Terraforce also offers a professional design service for Terraforce walls. Get industry leading expert advice and customised approaches to retaining wall design.

What is Terrasafe?

Terrasafe provides first-class engineering, management, and specialist technical service to users of Terraforce products. We aim to set industry standards and make a significant contribution throughout South Africa and the world. Call +27 021 465 1907 or email

TERRAFORCE: Your living concrete wall.

  • Imagine it.
  • Some projects: a showcase
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  • Why Terraforce?
  • Why choose our products?
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  • Select it.
  • Which block will you need?
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  • Find it.
  • Find your closest supplier
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Why Terraforce?

  • A living wall

    The unique hollow-core design allows you to make plants a part of your wall and allows water to drain back into the ground. Use low-water-use plants to create a landscape that’s sustainable. Plant growth also deters graffiti.
  • Durability

    Concrete will not rot and weaken over time, and no chemical preservatives are required. Blocks can be replaced if damage occurs.
  • Mortarless and interlocking systems

    The units are simply stacked up without mortar to provide a cost effective, do-it-yourself system. Can be used for light revetment cladding, medium-to-heavy gravity retaining walls, heavy duty composite walls in combination with earth reinforcing grids (fabrics) or reinforced concrete infill.
  • Layout flexibility

    The half moon interlock easily handles convex and concave curves, and the wall angle can vary from vertical to shallow slopes. Create steps by reversing the block.
  • Colours and textures

    Choose between round, straight or rock face finish. Consult your local supplier about available colours.
  • Easy to use

    The blocks are lightweight for easy delivery, handling and installation, yet heavy in mass when filled with soil, gravel, or concrete. Fence and handrail posts can be set within blocks.
  • Tried and tested over the last 40 years

    Terraforce is a member of the Concrete Manufacturers Association (CMA) in South Africa and adheres to the Canadian and US international Standard Specification for Loadbearing Concrete Masonry Units, following a successful ICBO evaluation in 2002 (now ICC-ES, a leading US nonprofit, limited liability company that does technical evaluations of building products, components, methods, and materials). The system was also extensively tested by Hawkins Hawkins & Osborne Consulting Engineers, South Africa in 1992, resulting in a comprehensive design and specification manual and user guide.

    Composite retaining wall design and construction procedures with Terraforce blocks have been subjected to rigorous laboratory tests. These were conducted on a large-scale test apparatus to evaluate the mechanical performance of, among others, the connection between blocks and grids. In all tests the primary mode of failure was rupture of the geogrid outside the blocks and performance was found to be above average.

Light gravity walls, single skin


Heavy gravity walls, double skin


Reinforced vertical walls, double skin


Composite walls with geo-grid reinforced earth backfill

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