Green Roof Roof Drains

The most critical role of the drainage layer is to provide an adequate flow of water off the roof during and after rainfall.

Green roof roof drains. Green roof solutions offers many different drainage layer options depending on system goals regarding water retention. Our flexible adaptable components can be configured to meet even the most challenging custom green roof specifications. The drainage also contributes to good aeration of the plant roots. Green roof drains watts unique designs are engineered to accommodate the fast emerging and often shifting requirements for green roof drainage.

It buffers water and allows excess water to drain away. Zurn manufactures a line of green roof drains featuring customizable enclosures to align with the green roof surface. Z110 green roof drains are available with enclosure heights ranging from 5 to 18 or as specified. Z110 green roof drain shown with 18 height for intensive green roofing applications.

See the full list of features. Intensive layered green roof intensive green roofs have a deeper soil depth therefore the roof drain enclosure height is typically 12 or more. 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.