Porous Asphalt Paving Solutions

Introducing the next generation of Porous Asphalts

Designed to work with porous pavement designs where a sustainable drainage solution is required for site conditions, planning requirements or client specifications.

Our new and updated range of UltiPorous Asphalts also helps to address climate concerns over flooding and drought events and deliver a longer lasting performance that reduces the carbon footprint compared to non-porous drainage methods. Where planning conditions specify a SuDS solution for driveways, car parks or access roads, Tarmac’s UltiPorous and UltiSuDS can provide the ideal solutions. Making it easier to choose porous surfacing Our new range or Porous Asphalts makes the process of choosing a porous surfacing material simpler for architects, design engineers and their clients with applications for the different products clearly defined.

Porous Asphalts and planning legislation

The recent announcement on the imminent implementation of Schedule 3 of the Floods and Water Management Act 2010 will have significant implications. It means that all projects larger than 100m²/more than one property, with a drainage implication will need to incorporate a SuDS based drainage scheme and gain approval before construction can commence. There is also likely to be more emphasis on amenity, biodiversity and water quality of that drainage system rather than just the quantity of water from a site. Tarmac porous pavements are proven to improve the quality of road and hardstanding water runoff.
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Sustainable drainage and porous paving solutions that help manage water and address climate change concerns

  • Reducing the risk from flash flooding
  • Conserving water and improving drought resilience
  • Improving water quality

Our range of Porous Asphalts provide effective water management by capturing surface rainwater and holding it back, delaying it entering local drainage systems.

Conventional paved surfaces are designed to shed water. Unfortunately, under storm conditions, this can mean large volumes of water rapidly entering water courses and resulting in local flooding.

Tarmac’s UltiPorous porous surface course, binder and aggregate systems are designed to capture and control rainwater from the moment it makes contact with the paved surface. This results in significant reductions in the speed and volume of discharged water, reducing the risk of flash flooding.

Improving water quality with Porous Asphalts

By trapping pollutants within the pavement UltiPorous Asphalts are proven to improve the quality of surface water run-off. This improves the purity of any surface water entering the environment and helps to reduce pollution in rivers and streams.

Enhancing drought resilience with Porous Asphalts

Improved water quality from Porous Asphalt pavements allows architects to design water capture and storage into new housing, community or commercial developments. This allows rainwater to be retained rather than lost as run-off into rivers. It also helps to improve resilience in times of low rainfall.

Water conservation using Porous Asphalts for rainwater capture and storage

Tarmac Porous Asphalts are suitable for use in sustainable drainage systems that capture rainwater and store it for use as an amenity for things like car washing, window cleaning or watering plants. As research shows, our Porous Asphalts also provide a degree of passive filtration as pollutants are captured and retained within the pavement. This means that the water captured has a relatively higher amenity value and can be used for a wider range of uses.

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