"rooflite™ is a precisely engineered growing media specifically for green roof applications. rooflite™ is manufactured to meet all related current and future ASTM standards as well as the German FLL-Greenroof Guidelines. The history of modern green roof technology started 30 years ago in Germany. The German FFL- Greenroof Guidelines (ForschungsgesellschaftLandschaftsentwicklung Landschaftsbau e.V., Guideline for the Planning, Execution and Upkeep of Green Roof Sites, Release 2002) reflect the latest developments and worldwide acknowledged state-of-the-art technology. These German Green Roof Standards are universally accepted as the scientific foundation for successful and thriving green roofs worldwide."
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