General Features
Hydroraft® is an innovative, offsite prefabricated modular drainage system designed to simplify and enhance drainage infrastructure projects. By incorporating the Hydrorock drainage solution, Hydroraft® delivers superior performance, efficiency, and environmental benefits.
General Features
- Hydrorock is manufactured from a natural material “Basalt” and is made by an international company Rockwool.
- Hydrorock is a reliable and maintenance friendly system with a life span of up to 70 years.
- The inherent properties of the product do not deteriorate over time, even under the influence of oxygen, heat, frost, sunlight & the effects of chemical substances such as acids, alkali, oils and fats.
- There are no issues with compression & settlement, even under heavy loads (20t axle loads). This makes it ideal for beneath roads, buildings, tramlines or carparks.
- Approx 1% consolidation occurs during installation, with less than 2% deformation over 30 years. Making the product stable in shape & size throughout its entire life span.
- Root infiltration is not a problem, root growth does not have a negative effect on the operation of the system.
- Easy to inspect & clean. After some time, sediment such as silt, sand or organic material can collect in the silt tray. By carrying out periodic inspections and cleaning the silt tray will ensure optimum condition
- Hydrorock is manufactured from a natural material “Basalt” and is made by an international company Rockwool.
- Hydrorock is a reliable and maintenance friendly system with a life span of up to 70 years.
- The inherent properties of the product do not deteriorate over time, even under the influence of oxygen, heat, frost, sunlight & the effects of chemical substances such as acids, alkali, oils and fats.
- There are no issues with compression & settlement, even under heavy loads (20t axle loads). This makes it ideal for beneath roads, buildings, tramlines or carparks.
- Approx 1% consolidation occurs during installation, with less than 2% deformation over 30 years. Making the product stable in shape & size throughout its entire life span.
- Root infiltration is not a problem, root growth does not have a negative effect on the operation of the system.
- Easy to inspect & clean. After some time, sediment such as silt, sand or organic material can collect in the silt tray. By carrying out periodic inspections and cleaning the silt tray will ensure optimum condition
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Advantages of Hydroraft®
- Load bearing, can be installed in any standard highways ground conditions.
- Faster more efficient and safer installation compared to conventional methods.
- Permanent or temporary solution.
- Hydrorock is reliable and maintenance friendly system with a life span of up to 70 years.
- Hydrorock safely stores incredible quantities of excess rainwater, before releasing it back to nature.
- End of Life- Product fully recyclable.
- Hydrorock maintains the natural water cycle.
- Easy to inspect & clean. *
*Development of silt collection is currently being reviewed
Smartraft® Case Studies

A320 Surrey Project
Client | Surrey City Council |
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Project Cost | £900,000.00 |
Services | Supply & Installation of Smartraft® and VRS |
Location | A320, Surrey |

Army & Navy Junction Smartraft® Case Study
Client | Henderson & Taylor, Essex Highways |
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Services | Smartraft®, VRS |
Start Date | 29th March 2021 |
End Date | 25th May 2021 |
Location | Army & Navy Junction, Chelmsford Essex |

A14 Jct 36 Entry Slip Road Smartraft® Repair
Client | Ringway |
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Services | Smartraft®, VRS |
Start Date | 5th July 2021 |
End Date | 5th July 2021 |
Location | A14 Jct 36 Slip Road |
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