CB Group Aggregates, a division of CB Group - Find out more
Our products
Gravel for hydraulic concrete
Our commitment to quality
The quality of our services is based on flexibility, adaptability, proximity, and meeting deadlines in a sustainable and responsible manner.
Our independent quality laboratories guarantee the consistency and performance of our materials through regular analyses. Their compliance with regulatory requirements is ensured by audits conducted by certified bodies.
Areas of application
- Concrete industries
Uses
- Ready-mix concrete
- Concrete prefabrication
Technical specifications
Particle sizes:
Dry or washed: 2/4 mm, 2/5 mm, 4/6 mm, 4/10 mm, 4/12 mm, 4/20 mm, 4/22 mm, 6/10 mm, 6/12 mm, 6/14 mm, 6/20 mm, 10/14 mm, 12/20 mm, 12/31 mm, 20/31 mm
Type of deposit:
Massive limestone rock
Standards/Reference frameworks:
- EC
- NF
- NF EN 12620+A1
- NF P 18-545 Article 10 code A
Benefits
High performance
Non-reactive
Non-freezing
CE2+
Non-reactive
Non-freezing
CE2+
Point(s) of sale
Carrières du Boulonnais, Ferques (62)
Carrières du Boulonnais, Mitry Mory (77)
Carrières du Boulonnais, Limay (78)
Carrières du Boulonnais Rieux (60)
Delivery
France and export, Bulk