Proof of RAL quality assurance for bulk/unpackaged shipments

 

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Proof of RAL quality assurance for bulk/unpackaged shipments

Substrates for tree planting

RAL quality mark advantages – Calls for tender – Substrates for tree planting

If you want to make sure bidders actually offer RAL-certified products, you should choose to use the following wording in your invitations for tender:

Tips for tendering – RAL-certified substrates for tree planting

Substrate type:

  • Substrate for tree planting for planting hole type 1 – open, non-covered planting holes carrying the quality mark RAL GZ 250/7-1
  • Substrate for tree planting for planting hole type 2 – covered, load-bearing planting holes carrying the quality mark RAL GZ 250/7-2

The supplier must provide evidence of the relevant quality mark RAL-GZ 250/7.