Grodan is part of the ROCKWOOL Group, the world�s leading supplier of innovative products and systems based on stone wool, improving the environment and the quality of life for millions of people. Grodan supplies innovative and sustainable stone wool substrate solutions for the professional horticultural sector, based on Precision Growing principles. These solutions are, among others, applied for the cultivation of vegetables and flowers, such as tomatoes, cucumbers, sweet peppers, eggplants, roses and gerberas. Stone wool substrates are offered together with tailor-made advice and tools to support Precision Growing and therefore facilitate the sustainable production of healthy, safe and tasty fresh produce for consumers. Sustainability plays a prominent role within the Group, from the manufacture of stone wool substrates to end-of-life solutions. Grodan is founded in 1969 and is active in more than sixty countries worldwide. The head office is located in Roermond, the Netherlands.