evoBuild Foamed Asphalt is a cold mix asphalt containing up to 95% recycled materials, reclaimed fillers/additives, bitumen, cement, and water. It can reduce the carbon emissions associated with asphalt production and laying by a minimum of 40% when compared with conventional hot mix materials. As such, it’s known as evoBuild Circular Foamed Asphalt 40 R95.
Engineered for high workability, the cold mix asphalt can be immediately placed and compacted on site, or stockpiled for later use. We’ve also designed and manufactured the foamed asphalt in accordance with ISO 9001 and in compliance with Specification for Highways Work Clause 948, TRL Report 611, and more.
Please contact our team to learn how to apply evoBuild Foamed Asphalt to your road or infrastructure construction project.
What applications can evoBuild Foamed Asphalt be used for?
evoBuild Foamed Asphalt can be used in a variety of transport and infrastructure applications.
Transport applications of evoBuild Foamed Asphalt
- Major and local highways
- Lorry and car parks
- Airports, both civil and MOD
- Footways and cycleways
Infrastructure applications of evoBuild Foamed Asphalt
- Ports
- Rail
- Industrial and commercial
- Housing developments
- Haunching and trenches
Benefits of evoBuild Foamed Asphalt
From cutting carbon emissions by 40% as a minimum to increased productivity and workability, evoBuild Foamed Asphalt delivers considerable benefits to any application.
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We produce aggregates (crushed rock, sand and gravel), ready-mixed concrete, asphalt, cement and cement related products, and recycled materials.
Asphalt tonnage calculator
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Heidelberg Materials Asphalt - a national business with a local focus
From sites across the country, Heidelberg Materials Asphalt produces quality-assured asphalt designed to suit any application.
North East
Email: asphaltnortheast@uk.heidelbergmaterials.com
Sales quotes and orders: 0330 123 0760
North West
Email: asphaltnorthwest@uk.heidelbergmaterials.com
Sales quotes and orders: 0330 123 0761
Central
Email: sales@mqp.com
Sales quotes and orders: 0330 123 0762
South West
Email: asphaltsouthwest@uk.heidelbergmaterials.com
Sales quotes and orders: 0330 123 0763
South Wales
Email: asphaltsouthwales@uk.heidelbergmaterials.com
Sales quotes and orders: 0330 123 0764
South East
Email: asphaltsoutheast@uk.heidelbergmaterials.com
Sales quotes and orders: 0330 123 4722
MQP (Midlands)
Email: sales@mqp.co.uk
Sales: 0153 083 2244
orders@mqp.co.uk
Orders: 0153 083 2222
Boosts carbon savings
evoBuild Foamed Asphalt requires less energy to manufacture than conventional asphalt, cutting carbon emissions by a minimum of 40%. It’s also manufactured and installed to SHW Series 900, Clause 948 and supported by PAS 2080, a global standard for carbon management in buildings and infrastructure.
Reduces hazard exposure
The low production temperatures needed to manufacture evoBuild foamed asphalt greatly reduce fumes, odours, and steam emissions. This minimises the risk of burns from materials and offers a generally safer and more comfortable working environment for operatives and road users.
Enhances workability
evoBuild foamed asphalt can be immediately placed and compacted on site, or it can be stockpiled for later use, extending working times and ensuring continued supply.
Increases productivity
With this cold mix asphalt, material curing times are reduced, enabling earlier trafficking, increased outputs, and reduced programme durations. All lead to less disruption for road users.
Promotes circular economy
Realising value from existing pavement materials, evoBuild foamed asphalt reduces waste and promotes a more circular economy.
Reuses hazardous waste
evoBuild Foamed Asphalt encapsulates tar-bound planings, allowing for their safe reuse in carriageway construction. This avoids substantial fees associated with transporting and disposing of hazardous waste at regulated landfill sites.
How evoBuild Foamed Asphalt is made
We manufacture the asphalt mix by injecting water and air into hot bitumen under high pressure. This causes the bitumen to foam, increasing its volume and decreasing its viscosity, allowing the effective coating of aggregate.
The recycled materials that can be added to the mix include:
- Recycled asphalt planings (RAP), commonly found in sustainable road construction and maintenance
- Tar-bound planings
- Excavated asphalt
- Crushed concrete
- Reclaimed granular sub-base
evoBuild Foamed Asphalt standards and compliance
evoBuild circular Foamed Asphalt is designed and manufactured in accordance with ISO 9001. It’s also compliant with:
- Specification for Highways Works Clause 948
- TRL Report 611
- CD 266 Design for New Pavement Construction
- BS 9228 For Recycling of Roads
About the evoBuild range
evoBuild is our global brand for low carbon and circular products, with all products in the range low carbon, circular, or both. Through evoBuild, we’re leading the construction industry towards a more circular economy, as well as progressing towards net-zero targets.
evoBuild Foamed Asphalt FAQs
What is cold mix asphalt?
Cold mix or foamed asphalt is mixed and applied at ambient temperatures. It’s different to hot mix asphalt, which requires high temperatures in production. Cold mix asphalt is a more cost-effective material than hot mix asphalt and offers more opportunity for carbon savings.
How long does cold mix asphalt take to cure?
Typically, cold mix asphalt takes several days to set and cure to full strength, however you can overlay within a few hours. Curing time is influenced by several factors, including weather conditions and thickness of the application. It takes a few weeks for the asphalt to reach maximum strength and durability, though it is ready for light traffic immediately after compaction.
How to lay cold mix asphalt?
Cold mix asphalt is laid with traditional paving equipment and typically finished with a Pneumatic Tyre Roller (PTR) to seal the surface and provide a tight finish.
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