Green Roof Weight

Add 2 5 lbs ft2 for sedum mats and tiles system depth dry weight saturated weight 5 25 media depth 17 22 lbs ft 2 29 34 lbs ft 2.

Green roof weight. Weight of standard sedum roof a standard sedum roof has a saturated weight of about 80 kg m. So in dry state 50 m2 traditional green roof weighs around 5 tons while a similar sized urbanscape roof weighs just 1 ton. 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 vegetation type.

Medium trees up to 10 m. Perennials and low shrubs up to 1 5 m. 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. In addition the weight also depends on the water buffering capacity of the drainage layer.

Small trees up to 6 m. Plugs or cuttings for plant material weight. As surface area increases the weight of green roofs obviously increases proportionally. 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.

Shrubs up to 3 m.