RAL – quality markReliabilityCriteriaProcedureAdvantagesRALConsumer protectionMembershipFAQAbout ussuppliers – of productsabout – quality criteriaBark productspotting soilGrowing MediaExpanded Claygrowing media constituentswood fibrescoirperlitepeatSubstrates for green roofsSubstrates for tree plantingabout – calls for tenderBark humusBark mulchSubstrates for green roofsSubstrates for tree planting Opportunity for professional and hobby gardeners
ContactFAQAbout usSearch Memberarea English Deutsch The RAL ”Substrates for Plants“ quality mark is based on defined quality criteria The RAL ”Substrates for Plants“ quality mark is a reliable roadmap, because it means that the following criteria are met: defined approval procedure thorough review of applications regular neutral product inspections reliable high quality more inforamtions about RAL.
