Intensive Green Roof Drainage System

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.

Intensive green roof drainage system.

8 to 20 per square foot. The core of the nophadrain intensive green roof system is the nd 4 1h drainage system. Heavier and more expensive than extensive green roofs intensive systems generally require higher maintenance. Intensive green roof system.

For a conventional roof. 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. 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. Intensive green roof build ups over roofs and podiums are designed to be trafficked.

The most critical role of the drainage layer is to provide an adequate flow of water off the roof during and after rainfall. Zurn is proud to introduce its green roofing drain product line specifically suited for the unique needs of a green roof installation. Having proper drainage on a green roof is a critical aspect of the system. Intensive green roofs absorb the heat in summer and protect from cold and hail in the autumn and winter seasons.

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 increases potential stormwater retention. Roof membrane protection an intensive green roof system protects the roof membrane from many conditions such as uv radiation heat cold and hail. 15 to 50 per square foot.

Xf drain always clear and never clogged. Green roof solutions offers many different drainage layer options depending on system goals regarding water retention. Unlike conventional earth covered structures garden roof assemblies are lightweight and can be installed on a wide variety of new and existing structures. 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.

What s your design challenge. Intensive green roofs are deeper with a minimum depth of 12 8 cm 5 0 inches and allows for more types of plants.