General Features
Home » VRS Hydroraft » General Features
VRS Hydroraft® is a combination of the proven modular highways foundation- Smartraft® integrating a product called “Hydrorock” to provide improved drainage systems on our highways where there is an interface with VRS systems.
Hydroraft® can be installed without as a load bearing drainage system installed without VRS.
- 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
Advantages of VRS Hydroraft®
- No presite testing required, can be installed in any standard highways ground conditions.
- Faster more efficient and safer installation compared to conventional methods.
- Permanent or temporary solution.
- Compatible with nonproprietary systems (TCB & OBB) and terminals
- Compatible with proprietary systems
- Hydroraft can be supplied with the ability to incorporate VRS systems or as a load bearing drainage system installed without VRS.
- 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
Smartraft® Case Studies

A320 Surrey Project
Client | Surrey City Council |
---|---|
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 |
---|---|
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 |
---|---|
Services | Smartraft®, VRS |
Start Date | 5th July 2021 |
End Date | 5th July 2021 |
Location | A14 Jct 36 Slip Road |
Interested in Smartraft®?
Fill in the form below and we will be in touch.
"*" indicates required fields