Green Roof Information

The extra growing medium and vegetation insulates the building from intense temperatures and minimizes heat gain.

Green roof information.

Green roofs for healthy cities grhc is the north american industry association for the green roof and wall sectors. Green roofs transform the tops of houses and businesses into urban gardens. They act as a kind of trap for storm water absorbing 50 to 80 per cent of rainfall and cooling the excess before it washes into the storm drain system. Green roofs also have a fairly stable surface temperature remaining at air temperature or cooler while traditional rooftops can soar up to 90º f 32º c above air temperature source.

Find out more about the ecological and financial benefits of green roofing. In winter they retain between 25 40 percent. The green roof acts as a bio filter basically as a big sponge that sucks up dirt and pollution in the air. Many of these sedum varieties are flowering so the roof will change color with the seasons.

It may also include additional layers such as a root barrier and drainage and irrigation systems. Green roofs are also known as vegetative or eco roofs. For example a grass roof with a 4 20 cm 1 6 7 9 inches layer of growing medium can hold 10 15 cm 3 9 5 9 inches of water. A green roof is a layer of vegetation planted over a waterproofing system that is installed on top of a flat or slightly sloped roof.

Sedum is also much cheaper than other combinations of plants and is popular with those who want to build their green roof themselves. The green roof manages stormwater by reducing the volume of runoff and delaying the peak rate of runoff. They fall into three main categories extensive intensive and semi intensive. Not only are they eco friendly there is a growing recognition that green roofs are making buildings very energy efficient keeping them warmer in winter and cooler in the summer.

The green roof covers more than 8 900 square feet and contains 19 different varieties of sedum a water storing plant. Sedum and green roofs information one of the most popular plants for green roofs especially for domestic premises is sedum as it is light weight and easy to grow with little maintenance required. A green roof or living roof is a roof of a building that is partially or completely covered with vegetation and a growing medium planted over a waterproofing membrane.