Green Roof Saturated Weight

Photo by andrew wutke.

Green roof saturated weight.

Always ask a manufacturer or installer to provide you with the maximum saturated weight of the total green roof system. Weight of standard sedum roof a standard sedum roof has a saturated weight of about 80 kg m. Green roof system weights columbia green technologies 79 se taylor st. 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.

If necessary this weight can be reduced to approximately 40 kg m for roofs that can only bear a lightweight green roof system. System depth dry weight saturated weight. 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. 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.

Fill a cup with green roof growing media lightly compressing it simulating installed conditions. 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. Think about the saturated weight this way. You may have to allow this to percolate into all of the voids.

So what are the implications of these weighty issues. 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. The second trussed roof is designed for a dead load of 160kg m 2 and a live load of 40kg m 2.

Now fill that same cup to the brim with water. Roofmeadow green roof system design and installation. Lightest weight system at just 44kg m saturated weight loading installed directly onto the root resistant waterproofing complete integrated system 11 species of sedum are grown in the blanket to ensure plant diversity.