It comprises mature sedum on 20mm of extensive substrate and incorporating a multifunctional water retention and filter layer.
Sedum roof construction details.
However they are doable and affordable for all.
Extensive green roofs normally have an attractive low layer of vegetation around 80 100mm high such as grass moss sedum or small flowers.
The vegetation is self sufficient growing and developing to provide protection absorb carbon dioxide and creating a point of interest.
Green roofs are an element of eco construction that often gets overlooked no pun intended.
Sedum green roofs are the most common type due to the hardiness and low maintenance requirements of the plant.
A sedum roof is a type of living roof consisting of a layer of vegetation that has been placed on a rooftop.
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.
Used over a whole roof a green roof will be the single overriding design influence on the house as well as impacting on the construction right down to the foundations.
Sedum green roof supply a wide range of top quality sedum mats and modular diy trays for green roofs.
It replaces the ecology the new house sits upon thereby replacing the habitat that a house takes away.
The system is suitable for both new build construction and retrofit refurbishment projects.
The roof can be installed in four easy steps providing an instant extensive sedum roof on the day of installation because it is delivered with 90 95 mature sedum plant cover in self contained fully complete trays including drainage layer filter layer and planting.
If you are using sedum blankets then you don t require any additional growing medium or soil.
A green roof is in ecological terms a great and simple thing to do.
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.