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We do Retaining Walls!

Take a look at our Retaining Wall Products

Löffelstein is a dry stacking, interlocking retaining system. It is unique because of its versatility, adaptability and plantability.

Structurally stable – no need for additional concrete infill
All Löffelstein® systems are available in vertical and heavy duty applications
Ideally suited for retaining cut or fill slopes between 3 and 15m high.

Three basic block sizes – L300/L500/L750.

Löffelstein® heavy duty – where wall heights exceed 3,5m.

This block’s thickened base prevents it being crushed under the wall’s own mass. This specially engineered block is employed as a facing to geosynthetic reinforced slopes or for geonail or rock-anchored cut slopes. The L750 block is used for critical path design applications where certain design criteria call for maximum mass per m2.

Löffelstein® vertical – two undercut corners permit wall construction at an angle of 87°.

It can be used in conjunction with the standard block in restricted areas, and in the construction of higher structures, used in conjunction with geosynthetic reinforcement, cement stabilization, geonailing, rock anchors or other soil stabilization methods. When compared with conventional retaining structures, such custom designed walls can contribute to dramatic savings in time and money.

Foundations – must be designed to suit individual projects.

In most instances a simple concrete foundation will suffice.

Laying – at 180mm spacings, lay the first course of blocks on the level base/angled base.

Interlocking blocks of the second course are then centrally stacked to span two blocks of the lower course. Align the blocks horizontally with a straight edge spirit level. Adjust minor level variations in blocks by trimming the higher sides with a chipping hammer, or lifting the lower side and packing stabilized soil underneath. Align long straight lengths of walling by securing a fish line around the outermost lying blocks and pulling the face of each block almost against the line. Fill preceding blocks with a suitable plant supportive soil. Compaction behind the blocks is critical.

Curvatures – with the smallest possible radius of 2m for L300 and 3m for L500.

Convex curvatures get smaller as an inclined structure rises. The first course is laid out to a maximum spacing of 190mm at the front and a corresponding smaller spacing at the back to suit the required radius. Concave curvatures get bigger as you build an inclined structure. Therefore, the first course is laid out with a minimum of spacing to suit the radius at the front and a correspondingly reduced spacing between the backs of the blocks. Depending on the accuracy of laying and the actual layout of curvatures, you may experience difficulties with the interlock or spacing of blocks after erecting four or five courses. To rectify this you should fill the completed preceding row of blocks with soil, tamper it down hard and reset in accordance with the first course’s layout. Engineered designs – before construction consider soil conditions, cohesion of material, overall slope stability, foundation requirements and choice of reinforcement.

Planting – completed structure.

Take care in the choice of plants, in order to minimise possible maintenance problems. Indigenous ground covers are recommended.

Technical Advice – the structural stability of a gravity retaining system depends on soil conditions, wall angle, overall slope stability and slope angle (surcharge) on the top and the base of the wall.

NB – Structures exceeding l,2m in height necessitate engineered designs and the submission of plans to the local authority.

Note – This information serves only as a guideline.

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Waterlöffel® is a versatile, interlocking, dry-stack concrete retaining system purposely designed to combat:

  • Coastal dune erosion by wave action and wind.
  • River bank erosion in water courses by seasonal storms.
  • Erosion of stormwater outlets.

Other uses for Waterlöffel® in construction:

    • Sea walls
    • Coastal promenades
    • Beach-access ramps
    • Bio-filters
    • Dam walls
    • River weirs
    • Marina waterways
    • Canals.

Environment – Waterlöffel® is eco-friendly and has passed all environmental impact studies linked to projects that have been completed to date.

Technical advice- Waterlöffel® walls are designintensive and as the manufacturers of this specialised product, we recommend that you use the services of a recognised geotechnical or hydraulic engineer to design your projects.

Note – This information serves as a guideline only. For specific applications please make use of our technical service.

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RidgeBlok™ is versatile

The RidgeBlok™ is a dry stacked, concrete block system that can be aligned into tight, convex and concave curves.

The spacing between RidgeBlok™ can easily be narrowed to increase the unit weight of the wall and its effectiveness as a gravity structure. Alternatively, greater spacing between the blocks increases the plantable area for a more environmentally-friendly end product.

The open spaces can be increased to provide a more open and permeable facing to prevent excess build up of pore-water pressures behind the retaining wall.

RidgeBlok™ is structurally sound and robust.

The solid concrete blocks are robust, resulting in fewer breakages during transport and construction activities.

The RidgeBlok™ is a solid concrete block designed to dissipate stresses effectively once built into a retaining wall.

The deep-lip recess system (tongue and groove) provides a positive interlocking force to dissipate horizontal forces exerted on the interface between the blocks.

The compressive strength of the solid concrete RidgeBlok™ allows for construction of higher walls compared to hollow concrete retaining blocks.

RidgeBlok™ is unique

The RidgeBlok™ facing is constructed at any angle between 70° and 90° to the horizontal without compromising any of its structural integrity. This character is seen as a major advantage over conventional, dry-stacked concrete blocks used in retaining-wall structures.

The architectural grooves on the one side of the RidgeBlok™ enable the blocks to be packed in different visually pleasing patterns.

RidgeBlok™ is intergrated

The deep-lip recess system, tongue and groove system, provides a positive clamping force between the RidgeBlok™ and the facing geosynthetic reinforced backfill. This aspect is seen as a major advantage over the conventional concrete retaining block which relies solely on friction to prevent “pull-out” of the geosynthetic from the concrete block.

A base block is available for the foundation of a 75° or 85° wall.

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The Aveng Infraset Terrace Blok® is a light versatile concrete block which provides the ideal solution for homeowners and DIY enthusiasts wishing to provide support to slopes in their gardens.

With the Terrace Blok® construction is simple. Blocks can be rapidly stacked without the need for foundations or mortar.

Whilst stacking, the blocks are filled with either topsoil or humus. The appearance of the entire structure can then be enhanced by planting herbs, creepers or flowers in each of the various pockets. Plants that grow well in your garden will perform even better in a Terrace Blok® structure. Due to the moisture retention capacity of concrete, the structure, when warmed by the sun, is transformed into a humid microclimate.

This facilitates the speedy establishment of plant life in each of the earth pockets. Root systems remain unrestricted and can extend into the natural embankment behind the wall.

The Terrace Blok® can be stacked to accommodate straight edges, curves or right angles. Its applications are limited only by your imagination.

Keep in mind

The overall stability of a gravity retaining structure relies on the mass of the wall per square metre. For this reason the following safety pointers should be kept in mind:

Unusual conditions should be examined by our own staff.
Near vertical structures should not exceed a height of seven courses or 1 260mm.

Should your requirement be for higher structures at steeper wall angles, the bigger Terrace Blok® TB 300/490 and Löffelstein® systems should be used.
Before building your wall ensure that you comply with your local bylaws and requirements.

Please contact Sun Paving (Pty) Ltd for technical advice.

Laying

The blocks should be set in a 100mm deep level trench.
If the ground inclines sharply, the blocks can be stepped up in multiples of 180mm.

The spacing between blocks on the same layer is 320mm. If stacked to this spacing, 9-10 blocks per m2 are required, measured vertically. The slope angle does not change the number of blocks required per m2.

A solid wall can be constructed by placing the units with a 10mm gap between them, in which case 15 units per m2 are required.

Loose soil behind the wall must be hand-compacted and watered row-by-row to avoid settlement at a later stage.

The individual pockets in the wall should be loosely filled with humus leaving sufficient space for each plant’s own soil mass when it is taken out of the nursery bag.

Available in Sahara Sand, Multi-blend and Tan.

* Subject to confirmation with varying soil conditions

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The Aveng Infraset Terrace Blok® system has unique features that firmly establish it as a market leader.

Economical – Seven blocks per square metre.

Open or Closed Face Options – by using a unique slider that fits easily between the blocks.

Plantability – it’s open bottom-hole design and trough shape create a greenhouse effect within the environs of the block. This promotes rapid healthy plant growth with unrestricted root systems that aid in the stabilisation of the bank.

Quality – this product is manufactured under ISO 9001:2000 requirements and carries a full manufacturer’s warranty.

Testing – backed by full-scale tests conducted by independent geotechnical engineers, every aspect of Terrace Blok® has been checked to establish the design integrity of the system.

Cautionary Note:

The design of dry-stack concrete retaining systems involves geotechnical rather than structural elements.

Check with your local authorities regarding their requirements for the design, plan submission and stability certification of your retaining structure before commencing construction.

This Information serves as a guideline not a guarantee. For specific applications please make use of our free technical service.

TB300 Available in Grey, Multiblend and Tan made to order

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ONLY AVAILABLE IN DURBAN

Product features

The Aveng Infraset Terrace Blok® system has unique features that firmly establish it as a market leader.

Economical – 8 blocks per square metre.

Open or Closed Face Options – by using a unique patented slider system that fits easily between the blocks.

Plantability – its open back design and trough shape create a greenhouse effect within the environs of the block. This promotes rapid healthy plant growth with unrestricted root systems that aid in the stabilisation of the bank.

Quality – this product is manufactured under ISO 9001 requirements and carries a full manufacturer’s warranty.

Testing – backed by full-scale tests conducted by independent geotechnical engineers, every aspect of Terrace Blok® has been checked to establish the design integrity of the system.

Cautionary Note:

The design of dry stack concrete retaining systems involves geotechnical rather than structural elements.

Check with your local authorities regarding their requirements for the design, plan submission and stability certification of your retaining structure before commencing construction.

This infomration serves as a guideline, not a guarantee. For specific applications please make use of our technical service.

Download PDF

The InfraBlok™ retaining block system is unique in its flexibility and aesthetic appeal.

The block allows for the creation of convex or concave curves.
Transition from vertical concrete filled to plantable inclined installations can easily be achieved.

The blocks interlock in the horizontal plane.

The construction of complex staircases can be incorporated into the wall with relative ease.

Vertical structural walls can be achieved using reinforcing steel to create columns within the wall.

Handrails, light posts and fences can be set in concrete on top and within the block.

The closed-face construction method allows for maximum wall mass and effective backfill compaction.

It is ideal to fill the blocks (in the offset configuration) in order to landscape the completed wall.

Cautionary note

The design of dry-stack concrete retaining systems involves geotechnical rather than structural elements.

Check with your local authorities regarding their requirements for the design, plan submission and stability certification of your retaining structure before starting construction.

This information serves as a guideline not a guarantee.

Download PDF

The InfraBlok™ retaining block system is unique in its flexibility and aesthetic appeal.

The block allows for the creation of convex or concave curves.
Transition from vertical concrete filled to plantable inclined installations can easily be achieved.

The blocks interlock in the horizontal plane.

The construction of complex staircases can be incorporated into the wall with relative ease.

Vertical structural walls can be achieved using reinforcing steel to create columns within the wall.

Handrails, light posts and fences can be set in concrete on top and within the block.

The closed-face construction method allows for maximum wall mass and effective backfill compaction.

It is ideal to fill the blocks (in the offset configuration) in order to landscape the completed wall.

Cautionary note

The design of dry-stack concrete retaining systems involves geotechnical rather than structural elements.

Check with your local authorities regarding their requirements for the design, plan submission and stability certification of your retaining structure before starting construction.

This information serves as a guideline not a guarantee.
InfraBlok™ 425 Smooth face only. Available in Grey.

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