Rooftop Garden Green Roofs
Green roofs reduce the heat flux through the roof and less energy for cooling or heating can lead to significant cost savings.
Rooftop garden green roofs. Green roofs and roof top gardens have existed for thousands of years. Most roofs exposed as they are to sun wind snow and rain go through rather large variations in temperature. The hanging gardens of babylon one of the seven wonders of the world used an elaborate irrigation system to create a terraced garden paradise outside of modern day baghdad. Green roofs green roofs can range from roof gardens with raised beds and pots to rolled out green carpets to shed roofs containing planting cells that are filled with soil or compost and planted up with low growing perennials and grasses.
Fully planted green roofs where the roof is covered with soil and the plants are in the ground make great environmental sense but they are too difficult for homeowners to undertake on their own. Northern europeans once chose traditional sod roofs as a means of insulating houses. The plants that go into a green roof are usually sedum or other shallow rooted plants that will tolerate the hot dry windy conditions that prevail on most rooftop gardens. The architectural benefits of green roofs in addition to energy savings roof gardens have a beneficial effect on roofs themselves.
With a green roof the plants layer can shield off as much as 87 of solar radiation while a bare roof receives 100 direct exposure. Options for your rooftop garden if you re considering a rooftop garden there are a couple of directions you could go in. Green roofs are so called because they are good for the environment. As a model for green roof design the american society of landscape architects commissioned michael van valkenburgh associates to create a rootop research garden atop its washington d c headquarters.
Green roofs provide shade remove heat from the air and reduce temperatures of the roof surface and surrounding air. Shading the outer surface of the building envelope has been shown to be more effective than internal insulation. Usually green roofs have vegetation and plants possibly a garden. A green roof or rooftop garden is a vegetative layer grown on a rooftop.
The green cover may be of herbs grass drought resistant plants flowers and even vegetables. Any eco friendly roof can be called green. Green roof on shed in the garden of valerie legg and simon harding bury st edmunds suffolk. The residential size 3 000 square foot display includes two elevated waves.