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Permeable Asphalt
Permeable asphalt answers the modern challenge of ensuring sustainability by maintaining water quality, reducing surface water run-off and mitigating flood risk when providing your driveway or outdoor surface solution
What is Permeable Asphalt?
A permeable asphalt driveway is much like a traditional asphalt and tarmac driveway with the added benefit of allowing natural dissipation of surface water through the surface of the aggregate. This reduction of surface run-off helps to greatly reduce channels of water running off your drive or asphalted area and, as such, helps to avoid overwhelming existing flood management schemes and infrastructure by allowing the water to seep through into the ground below.
The result is long-lasting, durable finish that is smooth, slip-resistant and most importantly, free draining.
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New Legislation Calls for Permeable Driveways
New rules and legislation for home driveways and outdoor surfaces are soon coming into effect. Impermeable surfaces such as block paving, concrete and tarmac will be subject to planning permission and may even risk additional surcharges.
The answer?
Additional drainage systems or choosing permeable driveways, pathways and patios.
Why choose a permeable asphalt driveway over traditional tarmac?
Long lasting, hard wearing and cost efficient too
With housing developments being introduced at a very quick rate to hit government quotas, as well as the rate in which urbanisation is rapidly increasing across the country, existing flood management infrastructure is being put under increased amounts of strain.
This coupled with growing concerns over climate change and the severity of flood events that this brings along, there is now more of a need than ever to build sustainably in order to mitigate the risk of surface water flooding.
Permeable asphalt goes further in being able to filter water as it permeates, screening pollutants and trapping silts, heavy metals and other contaminants to reduce their intake into water courses.
What’s more, permeable asphalt continues to be long lasting, hard wearing and cost efficient too.
System A – Full infiltration
Allows all falling water to permeate through the top surface layer and then pass through the lower layer into the sub-base.
System B – Partial infiltration
The lower layer contains outlet pipes that allow any excess water that can’t penetrate into the ground to be drained away.
System C – Full attenuation
This includes an impermeable membrane above the sub base. Allows water to be captured for re-use such as irrigation.
Permeable asphalt is highly effective when incorporated as part of a Sustainable Drainage System (SuDS)
If the ground below the property or driveway has low permeability then a partial infiltration system can be used under the asphalt to allow excess water that cannot be absorbed a path to be either guided away and discharged into a drainage system nearby, or attenuated in a suitable system.
Permeable asphalt can also be integrated with a sustainable drainage system on homes and sites where there is no permeability at all. This is achieved using an impermeable membrane that is placed below any drainage system which acts as an attenuation system, effectively storing the surface water until it can be drained at a controlled rate.
All of these systems when integrated with a permeable asphalt surface go further in helping to prevent water course pollution and reduces risk to biodiversity in the area.
We are your local permeable asphalt solutions provider
Permeable asphalt answers the modern challenge of ensuring sustainability by maintaining water quality, reducing surface water run-off and mitigating flood risk when providing your driveway or outdoor surface solution.
Get in touch
Contact us today to find out more about the complete range of products and services we provide using resin, natural aggregates, 100% recycled materials and our huge range of block paving options. Whether it’s a new build property or a renovation to your existing home or commercial building, Dultex Resin Bound have the skills and attitude to make your vision a reality.