15 december 2025
Recently, Knauf Insulation is RHP Horticulture certified with its stone wool boards which are used as a substrate raw material for professional horticulture.
Based on research and inspections executed by the certification body, the company complies with the requirements as determined in the Product Certification Scheme of the RHP quality mark.
The company Knauf Insulation is one of the world’s largest manufacturers of insulation products and solutions and part of the worldwide operating Knauf Group. Marko Meglič, Segment Manager: “We partner closely with our customers to develop high‑performance solutions. With our team we are very proud of earning RHP certification since it validates the rigorous standards behind our products and gives growers added assurance of safety and dependable results.”
Stone wool with the RHP quality mark meets strict requirements for both the manufacturing process and product quality. This includes a controlled composition and specific chemical, physical, and phytosanitary properties. The controlled production process ensures consistent, uniform quality on a large scale.
