dachsubstrate-ggs

Download quality criteria for single-layer extensive green roofs

substrates for single-layer extensive green roofs (RAL-GZ 250/6-4) – Gütekriterien

Quality criteria – Substrates for green roofs

RAL-certified substrates for single-layer extensive green roofs

These substrates are mixtures predominantly or exclusively of mineral products of different particle sizes. They must perform the functions of the vegetation support layer and drainage layer for near-natural low-maintenance forms of vegetation on top of buildings in the long term.