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Rock ArmourAggregates For Erosion Protection

Riprap or rock armour an effective solution to protect coastlines and structures from erosion by the sea, rivers, or streams. maintain coastlines.

Large boulders interlocked together to form rock revetments can be used to control erosion by armouring the beach face and dissipating wave energy. Rock Armour is also used to provide effective scour protection to underwater structures.

To find out more simply fill in our quick contact form or call us to get a quote from one of our specialist advisors:

Get a quote  Call: 0345 1552 452


Rock Armour works by absorbing and deflecting the impact of waves before they reach the beach or defended structure. The mass of the material absorbs the impact energy of storm waves, whilst the permeability (gaps between the rocks) slows the flow of water, reducing the erosion effect around structures or on the coastline.
Rock Armour is highly flexible and can be used on anywhere there is potential for water erosion.

Excellent Dissipation

Absorbs wave energy without causing reflection

Strong & Durable

A strong and durable stone perfect for coastal defence

Cost Effective

Cheaper, eco-friendly & more durable than concrete sea walls

Range of Sizes & Weights

The requirements of a particular design & application can be met

Natural Appearance

Aesthetically better than hard engineering that stands the test of time

Range of Rock Type

The aesthetic & physical requirements of a particular design can be met

Long Lasting

A long lasting, highly durable material that stands up to the fiercest waves

Easy to Install

A relatively quick and easy job to install rock armour


There are various applications for rock armour - typically these materials are used in revetment applications such as:

Coastal Defence

Offers a very natural solution to coastal defences that won't mar the landscape

Shoreline Structures

Protect your shoreline structures and buildings in an eco-friendly way

Riverbed / Bank Protection

Blends naturally with river banks, making it a perfect solution to flood protection

Sub Marine Structures

Reinforce underwater structures with rip-rap or rock armour

Bridge Abutments

Acts as a solid, naturally forming sub-structure to reinforce bridges

Erosion Protection

Significantly reduces the impact of erosion on surrounding structures and shorelines


A strong, environmentally friendly alternative to metal or artificial pilings

Scour Protection

A more natural way to defend against the erosion scour around offshore structures


Find out more about neogem's rock armour by downloading useful documents and product brochures - giving you more information about our product range and how they can suit your project needs.

Download the latest PDF...