Intensive Green Roof Drainage System
For a conventional roof.
Intensive green roof drainage system. Driven by planning and local authority targets and the clients or end users requirements as well as stormwater retention amenity health and social cohesion goals. Zurn is proud to introduce its green roofing drain product line specifically suited for the unique needs of a green roof installation. The new lightweight soils combined with specially developed water storage and drainage components all ensure that the modern green roof can replicate a traditional landscape at roof level at only a fraction of the weight and generally with a substantially shallower build up. This multifunctional ce marked drainage system with high compressive strength protects the roof covering from water stagnation while at the same time in combination with the wsm 50 water reservoir panels storing water 44 l m for dry periods.
The main advantages of intensive green roofs are. Unlike conventional earth covered structures garden roof assemblies are lightweight and can be installed on a wide variety of new and existing structures. What s your design challenge. Intensive green roof build ups over roofs and podiums are designed to be trafficked.
Xf drain always clear and never clogged. A 2006 study by the university of michigan comparing costs of conventional and green roofs showed that on average installing a green roof costs about 22 00 sq. The most critical role of the drainage layer is to provide an adequate flow of water off the roof during and after rainfall. Intensive green roofs are deeper with a minimum depth of 12 8 cm 5 0 inches and allows for more types of plants.
Garden roof assembly hydrotech s garden roof assemblies combine the proven performance of our monolithic membrane 6125 roofing waterproofing with proven green technology. Intensive green roofs absorb the heat in summer and protect from cold and hail in the autumn and winter seasons. Replacing the impervious surface of a conventional roof with. Intensive green roofs increases potential stormwater retention.
The core of the nophadrain intensive green roof system is the nd 4 1h drainage system. Having proper drainage on a green roof is a critical aspect of the system. The design of the different drainage layers allows for a portion of the stormwater to be retained above where the water is allowed to flow freely off of the roof. 8 to 20 per square foot.
15 to 50 per square foot. Roof membrane protection an intensive green roof system protects the roof membrane from many conditions such as uv radiation heat cold and hail.