Mortarless / pinless segmental retaining wall system

Frost Resistant

Frost Resistant

Frost Resistant

Frost Resistant

Attractive, durable, versatile – and easy to install.

Whether reinforced or unreinforced, the Diamond® system is a clear winner.

Each Diamond® block features a patented rear lip that acts as a guide to ensure accurate alignment and precise set back every time without the need for mortar. Combined with its mortarless and pinless design, this provides a clear advantage in fast installation, no weather delays and reduced labour costs.

Diamond® retaining wall can be built up to 1.2m high with no geogrid and up to 3m high with geogrid.

Diamond® in situ


Anchor® segmental retaining wall blocks are manufactured from locally sourced, high grade aggregates using the latest computerised systems. Durability and performance is assured by meeting or exceeding targets for crushing strength and water absorption.


Diamond® capping blocks are shaped asymmetrically (tapered), making capping straight or curved walls much easier. Installation of the capping block is more efficient as the shape of the capping piece minimises the need for cuts.


Anchor® Diamond® is produced in the UK from locally sourced materials and manufactured with 100% harvested rain water and 100% renewable energy in the production process.


Anchor® Diamond® is produced in the UK from locally sourced materials and manufactured with 100% harvested rain water and 100% renewable energy in the production process.

How-to-build Anchor® Diamond® Gravity Segmental Retaining Walling.

A straightforward guide to building our gravity segmental retaining walling. For more information, contact AG.


Natural textured appearance.


L 435* x D 300 x H 150mm

L 440 x D 250 x H 150mm

L 435 x D 218 x H 150mm

L 200** x D 330 x H 75mm

* The Diamond 30 Block ‘short side’ 280mm in length.
** The Short Cut cap ‘short side’ 175mm in length.

More Information

hEN 771-3:2011+A1:2015

Walls greater than 1.2m in height should be designed by a suitably qualified engineer. Use of a suitable concrete adhesive is recommended to affix caps and partial units.

Minimum order quantities are required for certain sizes, depths, colours, etc. Before placing an order, please speak to one of our sales teams – they’ll be happy to advise on this and any other product questions you may have.

You can reach them on:
UK: 0121 747 0202   |   Ireland: +44 (0)28 8778 8112

NBS Product Specifications

  • Full Spec Info
  • Create your own specifications
  • Integrated with NBS Chorus
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