What are semi intensive green roofs?
What are semi intensive green roofs?
Semi intensive (or simple intensive) green roofs are an intermediate stage between EGRs and IGRs. It is possible to implement almost any kind of garden vegetation on a green roof (Heim and Lundholm, 2014).
What is the difference between intensive and extensive green roofs?
This is the easiest way to remember the difference – an extensive green roof probably has a shallow layer of substrate that covers a large area, whereas an intensive green roof often has a deeper layer of substrate, confined to smaller areas. As the number and variety of green roofs has increased, so has the diversity.
Can I put a green roof on my house?
Green roofs are easiest to install and maintain on a flat roof. They can be installed on low-sloping roofs with a rise of up to three feet for every 12 feet of length without the need for stabilization. Steeper slopes may require a reinforcing system such as a tray planting or terracing system to hold soil in place.
Can you walk on extensive green roof?
Can people walk on the green roof? Generally, extensive green roofs are not designed for pedestrian traffic. But the occasional incursion by an inspector or maintenance worker would not be a problem for most commonly used plants.
How thick should a green roof be?
1 to 4 inches
Modern green extensive roof systems are from 1 to 4 inches thick and are composed of manufactured layers that support a growing medium and vegetation.
What is green roof systems?
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. It may also include additional layers such as a root barrier and drainage and irrigation systems.
What is a semi intensive green roof?
Semi Intensive Green Roofs. Semi-Intensive Green Roof – A semi-intensive green roof system is characterized by small herbaceous plants, ground covers, grasses and small shrubs, requiring moderate maintenance and occasional irrigation. A typical growing medium depth for a semi-intensive green roof is 6 to 12 inches.
What is an extensive green roof?
Our extensive green roof also includes vegetation that is more or less self-perpetuating and that can further develop and maintain itself. An extensive green roof is a lightweight, low maintenance option that typically does not require irrigation and consists primarily of Sedum .
What is green roofing systems?
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. It may also include additional layers such as a root barrier and drainage and irrigation systems.
What is green roof maintenance?
Green roof maintenance. A green roof is a real asset to a building and for it to continue to deliver the environmental and aesthetic benefits for which it was originally designed it is important to carry out maintenance on a regular basis.
