Wie man ein Flachdach begrünt | SWR Handwerkskunst

Turning gray concrete into green biotopes is the handiwork of Daniel Hertfelder. The green roof builder creates low-maintenance gardens on roofs of all kinds, such as on a flat roof in Dettenhausen near Tübingen. On the dreary roof of the carport, a near-natural and visually beautiful habitat is to be created for birds, insects and other creatures. This requires a structure consisting of substrate and the right plants. The expert relies on the plants, such as moss saxifrage, meadow sage or carthusian carnation. They are colorful, easy to care for and can cope with few nutrients. For the insect-friendly habitat, he buries more than 200 perennials on about 20 square meters. However, the green oasis should be able to do even more. In addition to biodiversity, it should also regulate regulate heavy rainfall. To this end, the 29-year-old is laying so-called retention elements under the green area. retention elements. They initially catch the rain and release it again with a delay. These elements are just one of four wide layers for the substructure. This craftsmanship also shows what fiber protection mats and filter fleece are used for, which plants are still suitable and why Daniel Hertfelder also places gravel, dead wood and a pond mat on the ecological compensation area. CREDITS: Author: Lidija Covic Camera: Dirk Schwarz Sound: Marco Evangelista Editing: Monika Agler Narrator: Rolf Hüffer Editing: Carmen Lustig Social Media Editing: Land und Leute RP Online Production: teamWERK GmbH The Film Production Producers: Monika Agler, Günter Moritz