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L13 Standard (Smooth) and L13 Rock Face

The number after the L in the block name indicates the amount of blocks per square meter, so the L13 requires 13 blocks per square meter, while the L11 only requires 11.  A larger block will require less blocks, while a smaller block will allow you to turn tighter corners in your design.

The block itself is a hollow core, vertically interlocking concrete block for erosion control, landscaping, land reclamation and urban upgrading and infrastructure. The wide range of plantable retaining wall blocks is tailored to create environmentally friendly domestic or industrial installations and to support sustainable development in soil stabilisation. Walls can range from light gravity walls to geogrid reinforced earth-retaining or heavy gravity, double skin walls.

Block L13
Block L13
Block L13
Block L13
Block L13
Block L13
  • A curved horizontal interlock allows for wide or sharp concave or convex curves
  • Reversible: choose between round, straight or rock face finish
  • Block setback can  be varied  to adjust wall steepness as required
  • Obtainable in different sizes and colours
  • Plant supportive and fully permeable (hollow core)
  • Low transport cost – light weight hollow units
  • Can be made super strong in combination with reinforced concreted infill
  • Easy handling for remote site applications
  • No Special units and connectors needed
  • Low labour and material costs
Block L13
Blocks/m²(measured vertically)
Block mass/kg
Block infill volume/m³
Ave. constructed mass Kg per m² of wall
Block wall thickness


Reversable hollow-core retaining blocks

4 Huguenot Avenue Oranjezicht
Cape Town
Western Cape
South Africa

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