Green Roof Drain Detail

Green roof drains watts unique designs are engineered to accommodate the fast emerging and often shifting requirements for green roof drainage.

Green roof drain detail.

Enclosing a drain in perforated stainless steel will prevent the drain from operating properly and very quickly due to the s s plugging with green roof debris. The most critical role of the drainage layer is to provide an adequate flow of water off the roof during and after rainfall. The key to any good green roof project is a good waterproofing membrane. 1901 green roof planter drain overflow standpipe 15 1 4 diameter drain with standpipe and 5 8 orifice to meter rainwater.

The drainage mat must flow directly to the drain and the drain enclosure must be a secondary drainage path to maintain proper drainage of the green roof. Please contact us for support in determining which details are most pertinent to your individual project. Have a question or two. Systems with drainage mats.

Our flexible adaptable components can be configured to meet even the most challenging custom green roof specifications. And to ensure the appropriate green roof assembly relative to the membrane chosen is provided it is important to understand how they work and how they are installed. Zurn manufactures a line of green roof drains featuring customizable enclosures to align with the green roof surface. 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.

Is a leading manufacturer and supplier of greenroof drain components. A new resource is available a protected membrane roof pmr planning guide representing more than 50 years of proven assembly experience across the globe and 35 years of hydrotech s industry knowledge the guide strives to educate architects engineers general contractors and other design professionals on the key benefits of a protected membrane roof compared to a conventional roof. Use in non pedestrian areas of green roof systems. See the full list of features.

Green roof systems of this type are drained by a multi layer fabric mat called a drainage mat that combines soil separation drainage and protection functions. Compared with green roofs systems using drainage plates or granular drainage this system is the fastest to install and creates the thinnest and lightest green roof assembly. Intensive roof specialized green roof drains 1900 green roof main area drain with standpipe 15 1 4 diameter drain with perforated standpipe. There are many types of waterproofing membrane.

Green roof solutions offers many different drainage layer options depending on system goals regarding water retention. Encourages greenroof technologies and will continue to do its part by providing key components for greenroofs.