The Tarmac Ultima asphalt mix from CRH PLC - lower-temperature paving for busy roads

Reviewed: ad hoc news Bestseller & Flagship desk. Edited and checked on 2026-06-29, 19:54. Details in the imprint.

The Tarmac Ultima asphalt mix from CRH PLC sits warm and dark on a freshly closed lane, steam rising as the roller presses it into a clean, even surface. Standing beside the spreader, you can smell the bitumen yet the crew works with quieter burners than on older jobs.

What makes Ultima different

Tarmac Ultima is a branded asphalt mix developed by CRH subsidiary Tarmac to be laid at lower temperatures than conventional hot asphalt while maintaining structural performance under heavy traffic loads. It is positioned for trunk roads and busier urban routes that face modern tyre and axle pressures.

According to Tarmac, Ultima uses a modified binder system that allows compaction at reduced temperatures, cutting energy use at the asphalt plant and on site. The company also highlights improved handling for road crews because the mix remains workable for longer, reducing time pressure during overnight closures.

Lower temperature, practical benefits

On site, crews report that Tarmac Ultima feels more pliable when coming off the truck, allowing a smoother rake before the paver passes. The slightly lower surface heat makes communication easier, without the harsh roar of burners pushed to their limits.

Tarmac claims that the lower production temperature can reduce fuel consumption and associated CO? emissions compared with conventional hot mix, which matters for local authorities with decarbonisation targets. For a council engineer like Steve Williams overseeing a resurfacing scheme, the ability to tick sustainability boxes without compromising durability is a practical advantage.

Where Ultima is used

Tarmac Ultima sits within Tarmac's portfolio of branded asphalts that target specific use cases, alongside mixes such as Masterdrive and Masterlane for different traffic profiles. Local authorities and contractors in the UK specify these materials through framework agreements and competitive tenders.

CRH notes that its materials businesses, including Tarmac in the UK, focus heavily on road maintenance and upgrade work funded by public and private spending. Ultima therefore plays into broader infrastructure programmes where reliability and predictable maintenance cycles are key for budget planning.

Durability and maintenance cycles

The company emphasises that Tarmac Ultima is designed to cope with the shear forces from modern tyres and braking systems, helping to reduce surface deformation and rutting. For road users, that translates into a smoother ride and fewer abrupt patches where the surface has been cut and re-laid.

In maintenance planning, a mix that holds its texture and shape longer can shift the timing of resurfacing campaigns. That matters when a highway manager like Karen O'Neill has to balance lane closures against commuter frustration and freight schedules over several budget years.

Safety and night work

Another aspect that Tarmac highlights is the potential for more controlled night-time working because lower-temperature material can reduce steam and glare around the paver. On a wet autumn night, that can make hand signals and radio calls clearer between crew members working close to moving plant.

CRH also stresses the role of consistent surface quality in skid resistance and braking performance, especially on approach lanes to junctions and bus stops. For drivers, the difference feels subtle, but over thousands of vehicles per day it matters in accident statistics and insurance calculations.

Pricing and procurement

In practice, Tarmac Ultima is priced against competing asphalt products and specified through standard contract mechanisms rather than as a premium designer material. Councils will often weigh the fuel and emissions savings against any differential in mix cost when awarding contracts.

For CRH, product lines like Ultima are part of a broader effort to offer value-added materials rather than only commodity aggregates and base asphalt. That strategy aims to lock in long-term relationships with infrastructure customers and create more resilient revenue streams across economic cycles.

CRH PLC and its shares

CRH PLC, headquartered in Dublin with a primary listing in New York, positions Tarmac Ultima as one piece of its extensive building materials portfolio spanning aggregates, asphalt, cement and ready-mix concrete. The company presents itself as a key supplier to roads, utilities and commercial projects across Europe and North America.

CRH PLC shares (ISIN IE0001827041) are traded in Frankfurt under the symbol CRG, where they recently quoted just under 100 euros according to market data. For investors watching the CRH PLC share price, steady demand for products like Tarmac Ultima in road schemes adds another layer of support to the materials story.

This article was AI-assisted and editorially reviewed. Product information without guarantee; prices and availability may change at short notice. No investment advice, no buy or sell recommendation. Stock-market transactions involve risks up to total loss.