Weight Of Extensive Green Roof

Roughly speaking extensive green roofs have a thickness of between 4 and 15 cm and a weight of between 30 and 220 kg m2.

Weight of extensive green roof. It weighs 60 and 200kg per square metre. Extensive roofs are lower maintenance that intensive ones and lighter in weight. Green roofs which are planted and seeded tend to perform better in the long term. 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. Green roofs are also known as vegetative or eco roofs. 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.

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. So in dry state 50 m2 traditional green roof weighs around 5 tons while a similar sized urbanscape roof weighs just 1 ton. Intensive green roofs weigh from 35 pounds to beyond 100 pounds per square foot when dry it is all a matter of the soil depth which is affected by the amount of mounding that is used.

As surface area increases the weight of green roofs obviously increases proportionally. You can plant plants that have a shallow root system on these roofs. Green roofs consist of a number of layers including a waterproofing layer drainage layer substrate and planting. They fall into three main categories extensive intensive and semi intensive.

Once the plants are installed and the soil is moist these rooftop green spaces can weigh as much as 150 pounds per square foot. 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.