Green Roof Saturated Weight

You may have to allow this to percolate into all of the voids.

Green roof saturated weight.

Green roof system weights columbia green technologies 79 se taylor st. 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. The venny green roof has shallow substrates on two types of roof the first roof is on shipping containers and is designed for a dead load of 250kg m 2 and live load of 100kg m 2. Now fill that same cup to the brim with water.

Weight vegetative roof weights can range from 16 to 60 pounds per square foot depending on the depth of the growth medium types of plantings and accumulated weight of other additions such as pavers or water features. Fill a cup with green roof growing media lightly compressing it simulating installed conditions. If necessary this weight can be reduced to approximately 40 kg m for roofs that can only bear a lightweight green roof system. With over 10 years of excellence roofmeadow formerly roofscapes is the north american leader in green roofs.

In addition the weight also depends on the water buffering capacity of the drainage layer. Roofmeadow green roof system design and installation. The second trussed roof is designed for a dead load of 160kg m 2 and a live load of 40kg m 2. That is your starting point.

The green roof solution uses a unique lightweight growing media rather than soil and as a result is less than 8 cm thick and six times lighter than traditional systems weighing only 20 kg m2 dry or 65 kg m2 saturated. The venny green roof melbourne. Think about the saturated weight this way. So what are the implications of these weighty issues.

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. Photo by andrew wutke. System depth dry weight saturated weight.