Weight Of A Sedum Roof

Green roof weight can range from hundreds of tons for an intensive green roof such as a small urban park or garden to just a couple of hundred kilos for a lightweight extensive green roof system like urbanscape featuring a lush mix of sedum vegetation.

Weight of a sedum roof.

The thicker the substrate layer the greater the weight of the total roof structure. It comprises mature sedum on 20mm of extensive substrate and incorporating a multifunctional water retention and filter layer. In addition the weight also depends on the water buffering capacity of the drainage layer. An extensive green roof or sedum roof is a roof with vegetation that is more or less self perpetuating and that can further develop and maintain itself.

If necessary this weight can be reduced to approximately 40 kg m for. Xf301 sedum blanket extensive green roof system when to specify. Here s a guide comparing types grant findley october 2 2014 at 3 14 pm reply. Roughly speaking extensive green roofs have a substrate thickness of between 4 and 15 cm and a weight of 30 to 220 kilo per m2.

The weight of a green roof is one of a number of factors specifiers need to consider when deciding which roofing system to use. Typically the total depth of the green roof would be 85 100mm 12 20mm drainage layer 70mm of substrate and have a saturated weight of approx. 100 300 kg m 1 0 3 0 kn m. Discuss your flat roof project cradle to cradle silver certification our sedum blanket xf301 has been certifed through the cradle 2 cradle standard which guides manufacturers through a continual improvement process that looks at a product through five quality categories material health material re utilisation renewable energy and carbon.

This is the lightest weight all in one system available.