R45,90 Per Block

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

SKU: LOF Category:



TB 300TB 490
Mass per block40 kg 49 kg
Width470mm 470mm
Height180mm 180mm
Number of blocks per m2
No. of blocks per m2(not influenced by the wall’s angle)
Straight line9.59.5
Curved structures10-1210-12

Variable wall angle options

Maximum std blocks70°
Maximum std blocks87°


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.

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 ofmaterial, overall slope stability, foundation requirementsand choice of reinforcement.

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.

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

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.

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 leaflet serves only as a guideline.


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