Weight Of Extensive Green Roof

Green roofs are also known as vegetative or eco roofs.

Weight of extensive green roof.

Green roofs consist of a number of layers including a waterproofing layer drainage layer substrate and planting. Intensive green roofs are essentially roof gardens and may also need to allow for the additional weight of paving and terracing furniture and even trees. It weighs 60 and 200kg per square metre. The planting medium in intensive green roofs starts at 6 inches although you will see some wiggle room in various definitions and really elaborate designs may exceed a couple feed.

You can plant plants that have a shallow root system on these roofs. What is a green roof. Extensive roofs are lower maintenance that intensive ones and lighter in weight. As surface area increases the weight of green roofs obviously increases proportionally.

Roughly speaking extensive green roofs have a thickness of between 4 and 15 cm and a weight of between 30 and 220 kg m2. Although there are no precise definitions of. An interesting example of an intensive green roof is manaton the award winning private house on dartmoor that uses local meadow grass to blend the family home into the landscape. Green roof system weights columbia green technologies 79 se taylor st.

A green roof with a lightweight solution of 30 kg m2 is only possible with sedum vegetation and a green roof with a weight of 220 kg m2 is composed of a combination of sedum grasses herbs or host plants. 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. Green roofs which are planted and seeded tend to perform better in the long term. They fall into three main categories extensive intensive and semi intensive.

Extensive green roofs on the other hand have a shallow soil of 200mm thick. Such facilities include different types of plants with the shallow root system. Extensive green roofs traditionally support 50 120 kg m 2 10 25 pounds per square foot of vegetation while intensive roofs support 390 730 kg m 2 80 150 pounds per square foot of vegetation.