Bituminous road surfacing materials are produced by mixing mineral aggregate with a bitumen binder in predetermined quantities and within defined temperature ranges. Other materials are sometimes added to the mixture, including fibres, polymers and pigments to produce specific performance characteristics.

At ACS Testing we are UKAS accredited to carry out a wide range of testing covering British (BS) and European (EN) standards. Our bituminous materials testing can be performed both on site and in the laboratory. ACS Testing provide highly skilled technicians who all hold current CSCS cards. They are comprehensively health and safety trained in accordance with appropriate method statements and risk assessments.

Bituminous Test Types

Our Bituminous Testing Laboratory covers a comprehensive range of testing, included but not limited to:

Test Method What it shows
Binder Content BS EN 12697-1 Breaking down the constituents of blacktop to determine the mineral grading, filler content and quantity of binder.
Particle Size Distribution BS EN 12697-2
Maximum Density BS EN 12697-5 The maximum density of a mix used to define the 100% when comparing to in-situ density or bulk density of cores
Bulk Density BS EN 12697-6 Measuring the layer density of a core sample
Air Voids Content BS EN 12697-8 Calculating the difference between bulk density / maximum density to provide air voids.
Percentage Refusal Density (PRD) BS EN 12697-9 Measuring density of core layer, heating, compacting and re-measuring density.
ACS Services

Please see below for a list of the services provided by ACS:

Geo Environmental Consultancy Icon

Geo-Environmental Consultancy

The ACS Geo-Environmental Consultancy Department has been operating as part of ACS for over 10 years.

Onsite Testing Icon

On-Site Testing Services

ACS offers a comprehensive range of professional on-site testing, all carried out by our fully trained site technicians.

Aggregates And Soil Testing Icon

Aggregates and Soils Testing

From our main laboratory in Poole, Dorset, ACS provide quality testing and material consultancy for the construction and civil engineering industry.

Bituminous Testing Icon

Bituminous Testing

ACS carries out testing on new bituminous binder material and testing on hardened material for physical and chemical properties. Circa pre 1980’s Tar (Carcinogenic effects) was also used as a binder, ACS staff can sample and test materials to assess if Tar was used.

Concrete Testing Icon

Concrete Testing

Concrete was the first service to be offered by ACS back in 1987. Since then, we have increased our scope to cover a wide range of UKAS Accredited testing methods on fresh and hardened concrete.

Mortar And Screed Testing Icon

Mortar and Screed Testing

ACS can sample and test new and hardened mortar. Hardened mortar for mix proportions and constituents, new mortar for compressive and flexural strength.

Contamination Icon

Contamination and WAC Testing

At ACS we offer an efficient and reliable chemical analysis service for waste soils and construction materials using various test solids and leaching procedures specified by the Environment Agency.

Chemical Testing Icon

Chemical Testing

The ACS chemical laboratory was established in 2007. It complements the physical materials testing service provided by ACS by offering a range of chemical analytical services.

Water Analysis Icon

Leachate and Water Analysis

Our purpose-built analytical laboratory enables ACS to provide a comprehensive sampling, monitoring and analysis service on a wide range of leachate and water samples.

Natural Stone Testing Icon

Natural Stone Testing

Our newly refurbished stone testing laboratory has given us the opportunity to expand our testing scope. In addition, we have increased production and improved on our turnaround of samples.

Site Lab Services Icon

Site Laboratory Services

Over the last 35 years, ACS have supplied custom fitted site laboratories with technicians to many construction sites and projects worldwide.


If you require a collection that is outside of our usual range, please feel free to call us on 01202 622858.
Or contact us and we will do our best to accommodate your requirements.