Gulley-fed Filter Drains
Natural aquifer blocks for paved areas, suitable for permeable and non-permeable surfaces.
Long-term pollution filtration
Filter guaranteed for 30 years
Exceptional water storage
50% more capacity than gravel systems
Highly efficient installation
Fewer vehicle movements, reduced excavations and no shoring requirements
Highway and paving options available
Modular for optimum configuration and full compatibility with other Hydrorock systems
Reduced excavation, quicker installation
Simple to expand
100% recyclable block material
Also available: a range of natural aquifer blocks, gully-fed infiltration and attenuation systems for paved or tarmacked areas, for permeable or non-permeable surfaces.
- Roadside and paving options
- Excellent filtration of pollution
- Double the water storage capacity compared with gravel
- No temporary shoring works required
- 15% less soil excavation (by volume and weight)
- 60% less infill weight
- Far fewer vehicle loads required with Hydrorock
- 33% bigger infiltration surface area (much more efficient than gravel system)
- 30 year filter life (double gravel 15 year filter life)
- Free recycling by Rockwool (gravel needs expensive cleaning)
- Full integration with other Hydrorock infiltration or filter drain systems
- Excellent load bearing up to 40 tonnes and life time system integrity
- Uniquely high absorption to volume ratio (94%)
- 100% natural product
- Recyclable
Resources
Downloads
Hydrorock Highway Filter Drains
Calculator
Click here to visit our partner Hydrorock’s calculator to quickly assess the number and volume of Hydrorock natural aquifer blocks that will be required for your application.
Products
Our natural aquifer blocks are available to provide 100% sustainable, 100% recyclable water management solutions.
Installation
Installation is very simple and quick with minimal disruption. Blocks are pre-wrapped with filter membrane, so the excavation needs to be only as large as the system (no access is required to fit the membrane).
- No specialist installation engineering or equipment is needed, with simple snap-together fittings.
- Blocks are typically laid in a module three blocks wide. This enables the system to self-vent, and should the filters be compromised by human error, the entire system can be flushed.
- Perforated pipes that are integrated within the BD blocks allow rapid water inflow and storage in each block, underground.
- Extra capacity can be added quicky and easily with the installation of further blocks.
- Unlike crated sumps, Hydrorock systems offer the flexibility to be fitted around existing infrastructure, such as pipes and cable, for total site optimisation.
- Laying the system on a 100mm layer of sand will enable infiltration from the module into the surrounding soil, allowing the water to slowly flow from the aquifer blocks.
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Design your Hydrorock system today
Our configurator can assist you in creating the system required for your project.