Green Roof Systems Weight

Small trees up to 6 m.

Green roof systems weight.

Shrubs up to 3 m. Medium trees up to 10 m. System depth dry weight saturated weight. Plugs or cuttings for plant material weight.

Large trees up to 15 m. In addition the weight also depends on the water buffering capacity of the drainage layer. Weight of standard sedum roof a standard sedum roof has a saturated weight of about 80 kg m. If necessary this weight can be reduced to approximately 40 kg m for roofs that can only bear a lightweight green roof system.

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. 6 media depth 19 25 lbs ft2 33 39 lbs ft2. Sometimes a flat roof support structure requires a lightweight green roof. Here s a guide comparing types grant findley october 2 2014 at 3 14 pm reply.

7 media depth 22 29 lbs ft2 38 46 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. So in dry state 50 m2 traditional green roof weighs around 5 tons while a similar sized urbanscape roof weighs just 1 ton. Perennials and low shrubs up to 1 5 m.

Weight loading kg m 2 low herbaceous succulents and grasses 10 2. The weight of a green roof is one of a number of factors specifiers need to consider when deciding which roofing system to use.