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Fast draining engineered concrete
1 of 2 | Fast draining engineered concrete
Fast draining engineered concrete in playground
2 of 2 | Fast draining engineered concrete in playground

Hydromedia is an ideal solution for surface and  storm water management. A fast draining concrete pavement solution that rapidly directs stormwater off streets, parking surfaces, driveways and walkways. Minimises costs and long-term maintenance for local authorities and developers of stormwater management. A range of strengths are available. Designed with a sub-base to contain typically 15 - 35% voids, water flows freely through Hydromedia at rates in excess of 100 litres per minute per square metre. 


  • Compressive strength ~10-15N/mm2 
  • Voidage from 15-35% depending on type and placing technique 
  • Unit weight is typically 70% of conventional concrete 
  • Workable up to 90 minutes 
  • Flexural strength of 1.5 - 3N/mm2.

Key benefits

  • Stormwater management - high permeability and drainage capacity • Environmental management - minimises urban impact on natural water cycle 
  • Reduces costs as part of a SuDS (Sustainable Drainage System) 
  • Available with integral colour to offer decorative and functional hard landscaping opportunities
  • Eliminates the needs for retention ponds 
  • Offers potential space saving for efficient land development 
  • Mitigates surface pollutants 
  • Reduces glare from wet pavement 
  • No standing water, lessens risk of hydroplaning.


There are four prime versions of Hydromedia as below:

  • Hydromedia pedestrian - No traffic applications 
  • Hydromedia car park - Very light traffic conditions
  • Hydromedia underlayer - Non traffic 
  • Hydromedia underlayer - Light traffic

A range of strengths are available. Please speak to our technical specialists to ascertain which grade suits your project.

Hydromedia® is used under licence of Lafarge, S.A.

CE logo

CE marking information is available for our construction products which are manufactured to a harmonised European standard. View and download the relevant CE marking documentation.



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Concrete Product Guide