Green Roof Irrigation System

Selecting a green roof irrigation system depends on a number of variables including the purpose of the roof water availability and growing media.
Green roof irrigation system. They help keep buildings cool provide habitat for increased biodiversity and improve local air quality. An irrigation system is highly advisable on green roofs. As the world s leading manufacturer of irrigation products we are committed to developing highly efficient solutions for all landscapes including green roofs. Uniform planting where there is a single form of planting such herbaceous perennials within an area of green roof then the application of water can be controlled by a single solenoid a pressure compensated drip line can be installed and secured on the substrate surface usually under the mulch layer.
We suggest on an extensive sedum green roofs a permanent irrigation system is not necessary but consideration must be paid to the roof and supplementary watering if periods of prolonged drought 2 weeks occur. Irrigation is a key component to a successful project. American society of irrigation consultants asic turf design build. Hydrotech s garden roof assemblies combine the proven performance of our monolithic membrane 6125 roofing waterproofing with proven green technology.
The main plants used in our systems are succulent plants from the crassulaceae family especially sedum which require little water. This option is good for smaller areas and planters but you have to put the tubes so close together that the cost is prohibitive wightman said. Green roof development involves the creation of contained green space on top of a human made structure. Below you will find a list of products that can be used to create the optimal irrigation system for any green roof anywhere in the world.
The deeper the substrate used the more moisture it can hold to ensure plant survival during dry periods. Hunter provides a leading selection of overhead and subsurface irrigation products proven to deliver efficient reliable results. Green roofs have become key components of sustainability in urban environments. We recommend two types of systems.
Green roof systems may be modular with drainage layers filter cloth growing media and plants already prepared in movable often interlocking grids or loose laid built up whereby each component of the system may be installed separately. However you can irrigate to specific plants. While green roofs are designed to be sustainable features in the urban landscape it takes a little ingenuity a bit of imagination and a lot of product and plant knowledge to make the whole project come together. Because green roof soils are so porous drip and micro irrigation won t give you much spread.