Creating products to the highest expectations and exceeding expectations with our service

As a customer, you want to know that the products we provide will always do the job. As a supplier, we want to ensure that each of our products is consistent in quality and performance, and when you need us we’re here to help.

Technical advisors are available to give expert help on the application and properties of our Cement products.


  1. Technical Sales Support

    We have a highly qualified team of sales managers with a wealth of knowledge and experience in the construction industry.
  2. National Laboratory

    Tarmac maintains a state of the art, UKAS accredited, National Laboratory. Staffed by an experienced team of scientists and technologists, the National Laboratory (or ‘Natlab’) carries out a comprehensive range of physical and chemical tests on cement. This facility enables us to respond rapidly and in an authoritative way to technical enquiries from both customers and our own staff. More Information. 

  3. Technical Helpdesk

    Technical advisors are available to give expert help on the application and properties of Cement products. The Technical Helpline is available from 9am to 4pm Monday to Friday. A Voicemail facility is available outside normal office hours.  We also have a range of resources available at https://tarmac-bluecircle.co.uk/diy/

  4. Health & Safety

    Health & Safety are core values that are incorporated into every aspect of Tarmac’s business. Quite simply, we believe the only acceptable standard, and the foundation for best possible business practice, is zero accidents, incidents or occupational illnesses.

  5. Quality Assurance

    All Tarmac Bulk products are manufactured to the European Standard for cement, BS EN 197-1 and CE marked.

Technical Information

Access comprehensive data on the properties of our cement using our customer information database CBASE. This facility is available to Tarmac customers and requires a password, which can be provided upon request.

Cement test reports
Download weekly Cement Test Reports for Tarmac cements and Certificates covering the last six months of production.
View reports

Fly Ash Test reports
Test reports and Certificates of Conformity for ash sources can be downloaded from the links below.
View reports

GGBS/ CEM I Combination Certificates
View reports

Declarations of Performance (DOP)
Declarations of Performance for Tarmac cements and limes can be downloaded directly.
View DOPs

Summary of declared values

BS 8500 requirements for standardised prescribed and designated concretes
Guidance for the use of Tarmac bulk cements in Standardised Prescribed Concretes and Designated Concretes to BS 8500.

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