Intensive Green Roof Drainage System

The core of the nophadrain intensive green roof system is the nd 4 1h drainage system.

Intensive green roof drainage system.

Replacing the impervious surface of a conventional roof with. Intensive green roofs increases potential stormwater retention. 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 roof build ups over roofs and podiums are designed to be trafficked.

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. Roof membrane protection an intensive green roof system protects the roof membrane from many conditions such as uv radiation heat cold and hail. 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.

Intensive green roofs are deeper with a minimum depth of 12 8 cm 5 0 inches and allows for more types of plants. The main advantages of intensive green roofs are. 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. 8 to 20 per square foot.

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. Having proper drainage on a green roof is a critical aspect of the system. Heavier and more expensive than extensive green roofs intensive systems generally require higher maintenance. Intensive green roofs absorb the heat in summer and protect from cold and hail in the autumn and winter seasons.

For a conventional roof. Xf drain always clear and never clogged. Green roof solutions offers many different drainage layer options depending on system goals regarding water retention. The most critical role of the drainage layer is to provide an adequate flow of water off the roof during and after rainfall.

15 to 50 per square foot. 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.