The most significant feature of these products is that during the cold winter protects waterproofing layer from long lasting water in the system. Thanks to drainage layer water can easily find the way to the gully. In the other hand, during the hot summer and high temperatures, this layer can contain cca 5.8 l/m² of water, and in this way water the plants.
SYSTEM FOR EXTENSIVE GREEN ROOFS
SYSTEM FOR INTENSIVE ROOFS / PLANTERS
In the download zone you can find a more detailed description of the Nophadrain products ND 5+1 and ND 120, as well as the propositions of drainage systems for extensive and intensive green roofs.