Green Roof Systems Weight

Scale this up and a 1 000 m2 traditional green roof space requires 100 tons of material to be brought on the roof and the urbanscape version only 20 tons and can be called a light weight green roof.

Green roof systems weight.

Weight loading kg m 2 low herbaceous succulents and grasses 10 2. System depth dry weight saturated weight. Shrubs up to 3 m. If necessary this weight can be reduced to approximately 40 kg m for roofs that can only bear a lightweight green roof system.

Here s a guide comparing types grant findley october 2 2014 at 3 14 pm reply. So in dry state 50 m2 traditional green roof weighs around 5 tons while a similar sized urbanscape roof weighs just 1 ton. This special lightweight structure for flat roofs transforms your grey roof with a pitch of 0 to 15 degrees into a sustainable green roof almost instantly. Add 2 5 lbs ft2 for sedum mats and tiles.

Perennials and low shrubs up to 1 5 m. Medium trees up to 10 m. 6 media depth 19 25 lbs ft2 33 39 lbs ft2. Large trees up to 15 m.

5 25 media depth 17 22 lbs ft2 29 34 lbs ft2. Plugs or cuttings for plant material weight. In addition the weight also depends on the water buffering capacity of the drainage layer. Green roof vegetation type.

The weight of a green roof is one of a number of factors specifiers need to consider when deciding which roofing system to use. 7 media depth 22 29 lbs ft2 38 46 lbs ft2.