Green Roof Weight Per Square Metre

If necessary this weight can be reduced to approximately 40 kg m for roofs that can only bear a lightweight green roof system.

Green roof weight per square metre.

Weight loading kg m 2 low herbaceous succulents and grasses 10 2. Perennials and low shrubs up to 1 5 m. Extensive green roofs on the other hand have a shallow soil of 200mm thick. Medium trees up to 10 m.

Typically a basic lightweight green roof will weigh between 60 to 150 kg per square. 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. Such facilities include different types of plants with the shallow root system. Before you begin you need to make sure that your existing shed roof is strong enough to take any extra weight.

As such you may want to consider strengthening the walls of your structure and the roof deck before installing the green roof. Green roof vegetation type. Shrubs up to 3 m. Weight of standard sedum roof.

You can plant plants that have a shallow root system on these roofs. A standard sedum roof has a saturated weight of about 80 kg m. Large trees up to 15 m. 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.

Green roof vegetation weight loadings. It weighs 60 and 200kg per square metre. Our green roof assemblies can be used in basic flat roof applications as well as more dynamic roof structures even on slopes up to 45 degrees. The thicker the substrate layer the greater the weight of the total roof structure.

Xeroflor s green roof options include a range of lightweight systems weighing only 8 10 pounds per square foot to ballast applications of 25 pounds per square foot.