Quality guarantee roof garden substrate and tree granules through RAG-certification

Family company Den Ouden Groep from Schijndel is now also RAG-certified for Roof Garden Substrate and Tree Granules.

The RAG certificate offers the greatest possible assurance for Roof Garden Substrate and Tree Granules because it monitors both the product and the process in the chain. The RAG quality label ensures the quality of cultivation media in the chain, from raw material extraction to processing and delivery. All products that are RAG-certified are free of weeds and comply with a maximum salt content. Moreover, they are guaranteed to be free of the most common quarantine diseases. 

The following RAG-certified products are available from our locations:

  • HelmondRoof Garden SubstrateTree Granules, Tree Sand and Tree Soil
  • MuiderbergTree Granules, Tree Sand and Tree Soil
  • RillandTree Granules, Tree Sand and Tree Soil
  • RosmalenTree Granules, Tree Sand and Tree Soil

For more information about RAG Roof Garden Substrate and RAG Tree Granules, please contact Dayenne van Overdijk, phone +31 (0)6 53 41 76 12, d.vanoverdijk@denoudengroep.com.

Click here to view the RAG certificate.