Drainage Green Roof Section
This site uses cookies.
Drainage green roof section. Drainage layer on the roof garden is used to quickly discharge the rainwater from the vegetation layer into the drainage system as well as to collect excess water. By continuing to browse this website without changing the cookie settings of your internet browser you agree to our use of cookies. One of the main concerns that small scale builders have outlined to us is how to drain the roof. Box gutters for near flat roofs or eaves gutters for pitched roofs simple waterspouts also known as scuppers outlets or box drains built into the roof.
Check whether the site has primary and or secondary drainage systems. How to drain the roof. Before commercial drainage layers were developed it was common practice to use a thin layer of gravel to act as a drainage layer. When choosing the right drain component a number of our products can easily be incorporated into your greenroof.
Grs drainage products typically fit into a green roof system above the grs root barrier and below the grs filter fabric. This is for roofs that meet or exceed the epa green roof section which is a modular system using trays that allow for 4 inches of growing medium. Please contact us today. Depending on regional precipitation rates and the water retention goals for your specific project green roof solutions has a full range of products to meet your needs.
For this reason udfcd recognizes green roofs as a volumetric bmp able to capture the wqcv for the area of the green roof without constructing a controlled release at the outlet. To read more on drainage for terrace garden read this article. Here you may find the cad drawings of complete optigreen green roof setups. Primary roof drainage systems may use.
Each roll is 4 wide x 100 long 400 square feet roll. Green roof cross section. Replacing the impervious surface of a conventional roof with. The guide gives rational to the whys and hows of allowing free drainage.
Garden roof assembly hydrotech s garden roof assemblies combine the proven performance of our monolithic membrane 6125 roofing waterproofing with proven green technology. Provides two sided drainage. Liveroof has developed the following technical detail drawings for use in plans and to accompany specifications. Sites for green roofs should be assessed for drainage.