As intensive roofs are much bigger projects with many more expensive elements to consider we will focus on the cost of an extensive green roof in this section.
Sedum roof gutter detail.
The high density polyethylene membrane delta vmzinc and the fixing anchors.
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.
A green roof is a layer of vegetation living plants deliberately put on top of a conventional roof surface and bringing a whole host of benefits to the building and the environment.
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 system is suitable for both new build construction and retrofit refurbishment projects.
The vmzinc zinc tray.
A sedum roof is one type of living green roof.
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Consists of three components.
08 07 2015 constructive detail of a hidden gutter.
This is a typical detail of a gutter hung by straps.
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Straps are riveted or bolted to the outer edge at the gutter bead and attached to the roof with two brass screws.
On a sedum roof the majority of the plants are low growing succulents from the sedum or stonecrop family.
This means that you can have a fully functioning 20m2 extensive sedum green roof for between 450 1000.
The vegetation is self sufficient growing and developing to provide protection absorb carbon dioxide and creating a point of interest.
A uk grown sedum blanket to cover a 20m2 roof will cost approximately 300.
We have vegetative roof details in pdf dwg autocad and autodesk revit rvt 2d and rfa 3d formats.
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A sedum roof is a type of living roof consisting of a layer of vegetation that has been placed on a rooftop.
Sculptured gutter standard.
It comprises mature sedum on 20mm of extensive substrate and incorporating a multifunctional water retention and filter layer.
The straps should extend a minimum of 6 onto the roof.