CVH: our partner in the production of limestone fillers


Thanks to Carrières de la Vallée Heureuse’s existing infrastructure and expertise, Carbocia is able to market limestone fillers that are compliant with relevant regulations, innovative and well-tailored to customer requirements

 A long-standing and dependable partnership

90% of Carbocia’s range of limestone products are extracted from the Carrières de la Vallée Heureuse’s quarries. A family-run business founded over 160 years ago, the firm works a 200-hectare limestone deposit in the bassin de Marquise located between Boulogne-sur-Mer and Calais. Carbocia’s long-standing partner, the Carrières de la Vallée Heureuse is a major player in the production of aggregates of every shape and size. They are capable of extracting up to 20,000 tonnes a day.

The quarry has developed expertise in a wide range of specific areas to enable them to extract limestone:

  • Explosives handling and blasting
  • Geologic modeling
  • Water management, crushing technology and maintenance
  • Resource management and productivity optimization
  • Quality control and traceability
  • An environmentally-friendly approach 

Carbocia, the specialists in limestone fillers

In terms of particle size, uniformity and consistency, colour, flowability and chemical composition our micronized limestone fillers (ranging in size from a few microns to 4 mm) are perfectly suited to agricultural and industrial uses, meeting the specific standards and requirements of these sectors. We are able to operate on a continuous production basis and boast an integrated logistics infrastructure.

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We sell top-quality limestone fillers extracted from the Carrières de la Vallée Heureuse quarry in France’s Pas-de-Calais area. The intrinsic physical and chemical propertiesof our limestone and our micronization techniques are of major benefit to many industries. We shift our focus and adapt our products to keep pace with ongoing technological progress thanks to our partner CVH’s laboratory.

Our products

Our limestone has a content of over 96% CaCO3. This extremely high level allows us to meet the specifications of the industrial and agricultural sectors. The particle size of our fillers meets all relevant product requirements and complies with all standards and regulations currently in force. 

Animal Feed Find out more
Grouts & plasters Find out more
Fertilizers & agriculture Find out more
Carpet backing & rubber Find out more
Precast concrete/concrete Find out more
Asphalt Find out more
Sealants/roofing Find out more

Carbocia in pictures