Green Roof Weight Per M2

Large trees up to 15 m.

Green roof weight per m2.

The use of reliable and established products that comply with green roofing guidelines is important. The thicker the substrate layer the greater the weight of the total roof structure. Sedum vegetation blanket instantly providing at least 90 coverage on an extensive green roof. If necessary this weight can be reduced to approximately 40 kg m for.

In addition the weight also depends on the water buffering capacity of the drainage layer. Weight of standard sedum roof. Weight loading kg m 2 low herbaceous succulents and grasses 10 2. When saturated with water in the summertime when the plants are at.

A built up roof for example will typically include the built up membrane itself with or without gravel as well as some kind of insulation and cover board which will vary in thickness from roof to roof. 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. When it comes to estimating the weight of an existing roof field verification of the in place construction is necessary.

On the pages below we show a summary of our product range. 2 al40 edge trim frames and retains the xf301 system. The simple answer is that the weight of a green roof is determined by the strength of your build or structure so there are a few things to consider when creating your own green roof. Green roof vegetation type.

We can provide more information on individual products or systems on request. Holds up to 9 litres of water per square metre so saturated weight is 9kg m2. A traditional green roof can exert a load of up to 250 kg per m2 and that inevitably means a strong building is required to support the weight. 0 80 mm steel sheet.

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. Green roof vegetation weight loadings. The long term performance of green roofs depends on many factors.

A standard sedum roof has a saturated weight of about 80 kg m. An extensive green roof or sedum roof is a roof with vegetation that is more or less self perpetuating and that can further develop and maintain itself. Roughly speaking extensive green roofs have a substrate thickness of between 4 and 15 cm and a weight of 30 to 220 kilo per m2. In older buildings or new build this may require costly structural reinforcement which in some cases may prove prohibitively expensive.

Small trees up to 6 m. Medium trees up to 10 m.