The ultimate solution to reflective cracking and road surface deformation.

The Highways Agency and local authorities spend millions of pounds on repair and maintenance work every year. Despite this, on difficult sites the same problems continue to recur, often within months of the work being completed.

To meet this challenge Tarmac has developed ULTILAYER, a high performance asphalt provides enhanced resistance to reflective cracking and road surface deformation. A proven alternative to conventional bituminous road surfacing materials, ULTILAYER combines outstanding flexibility and strength to deliver long-term durability, even on the most difficult sites where conventional materials have failed.



  1. Ultimate Speed

    The range includes a single layer solution to replace surface and binder courses thereby reducing construction time.
  2. Ultimate Convenience

    Faster construction times keep busy roads moving, minimising disruption to road users.
  3. Ultimate Value

    Shorter construction time reduces programme costs, and there’s no need for expensive geotextiles.
  4. Ultimate Durability

    Proven on some of the UK’s busiest and most problematic roads, including Oxford Street in London.
  5. Ultimate Support

    ULTILAYER is only available for installation by our own Contracting division who will carry out a full site survey to ensure you receive the most appropriate solution for your project.
  6. Ultimate Sustainability

    Potential to reduce the depth of reconstruction and the associated volume of overall construction materials, thereby contributing to sustainability at source.


  • Urban roads
  • Housing Estates roads
  • Rural roads
  • Roundabouts

Case studies


ULTILAYER Culverhouse Cross A48

Ultilayer provided the ideal long term surfacing solution for this busy roundabout at Culverhouse Cross, on the boundary of Cardiff and the Vale of Glamorgan.



The surface of a main commuter route into Cardiff was suffering from acute deformation. Vale of Glamorgan Council required a durable and faster alternative to hot-rolled asphalt to ensure minimum disruption for local road users.


ULTILAYER Case study - Sunrising Hill, Warwickshire

Sunrising Hill on the A422 is a steep hill (16% gradient) on a busy road between Banbury and Stratford up on Avon. The previous surface of HRA + 20mm Pre Coated Chippings had become highly polished, presenting problems for heavy vehicles ascending the hill and increasing the risk of serious accidents for road users when descending the hill.


ULTILAYER Case study - Bedwellty Mountain Road Gwent

This mountain road between Tredegar and Aberbargoed was in very poor condition resulting from higher than intended traffic volumes and exposure to extreme weather conditions. ULTILAYER was recommended as a 6mm dense solution in a 30mm thick surface course incorporating a steel slag aggregate.

How it works

UltiLayer combines a high performance polymer modified binder (PMB) and carefully aggregate grading. This makes it highly flexible, very strong and extremely durable.

  • Carbon Trust Standard
  • Achillies UVDB
  • Achillies Building Confidence
  • Considerate constructors
  • IIP Champion
  • IIP Gold

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