Green Roof Systems Weight

Green roof vegetation type.

Green roof systems weight.

5 25 media depth 17 22 lbs ft2 29 34 lbs ft2. 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. 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. Weight loading kg m 2 low herbaceous succulents and grasses 10 2.

Small trees up to 6 m. Large trees up to 15 m. Medium trees up to 10 m. Perennials and low shrubs up to 1 5 m.

System depth dry weight saturated weight. If necessary this weight can be reduced to approximately 40 kg m for roofs that can only bear a lightweight green roof system. 6 media depth 19 25 lbs ft2 33 39 lbs ft2. Shrubs up to 3 m.

Add 2 5 lbs ft2 for sedum mats and tiles. 7 media depth 22 29 lbs ft2 38 46 lbs ft2. Sometimes a flat roof support structure requires a lightweight green roof. In addition the weight also depends on the water buffering capacity of the drainage layer.

The weight of a green roof is one of a number of factors specifiers need to consider when deciding which roofing system to use. Plugs or cuttings for plant material weight.