Technical Articles

What is BS EN 13108-20?

BS EN 13108-20 is a technical standard that relates to the classification and performance requirements for bituminous mixtures, commonly used in road construction. This European Standard specifies the characteristics of asphalt concrete mixes, which are widely employed in the building of highways, city streets, and other paved surfaces.

Features of BS EN 13108-20

The standard provides specific guidelines for the composition, production, testing, and conformity criteria of bituminous mixtures. It ensures that these materials possess the required quality and durability to withstand various weather conditions and heavy traffic loads. BS EN 13108-20 covers different aspects of the asphalt mix, including its gradation, stiffness, resistance to deformation, and susceptibility to cracking.

Benefits of BS EN 13108-20

Adhering to BS EN 13108-20 brings numerous benefits to road construction projects. One key advantage is the enhanced safety provided by the improved properties of the asphalt mix. High-quality bituminous mixtures offer better skid resistance, reducing the chances of accidents and improving overall road safety.

Additionally, using BS EN 13108-20 compliant materials ensures longevity and reduces maintenance costs. Asphalt with appropriate properties has higher resistance to wear and tear, extending the lifespan of the pavement and reducing the need for frequent repairs or resurfacing. This can result in significant cost savings over time for both road authorities and taxpayers.


BS EN 13108-20 plays a vital role in ensuring that bituminous mixtures used in road construction meet specific performance standards. By following the guidelines set forth in this standard, engineers, contractors, and road authorities can achieve safer, more durable, and cost-effective roads. It is important for industry professionals to stay updated with BS EN 13108-20 and adopt its recommendations to improve the quality and longevity of our infrastructure.


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