Vegetative roofs also known as green roofs are thin layers of living vegetation installed on top of conventional flat or sloping roofs.
Green roof layers dimensions.
In addition to the mosses grasses and sedum of extensive roofs semi intensive plantings include herbs flowering plants taller grasses and small shrubs.
Container gardens on roofs where plants are maintained in pots are not generally considered to be true green roofs although.
Each green roof is unique as their designs and performance vary by region climate and building type and use.
Types of green roofs.
Drainage protection filtration layer it is used for lightweight green roofs terraces and has many functions.
By alan burchell rubyana lyon green roof mar 3 2017.
Bauder sdf drainage layer material of the drainage layer polyamide monofilament weight of the drainage layer 400 g m.
In short a green roof is made to purposely grow grass.
It is made of a filtration veil and the polyamide monofilament fibre network layer.
To make this process work various green roof layers are created to give it the most effective and solid chance of being.
A green roof or living roof is a roof of a building that is partially or completely covered with vegetation and a growing medium planted over a waterproofing membrane it may also include additional layers such as a root barrier and drainage and irrigation systems.
It also has plants and the like on top.
We have chosen to use the word vegetative rather than the word green in this guide because a non vegetative roof could be considered to be environmentally green without being vegetative.
Semi intensive green roofs require a deeper soil layer but the payoff is in the types of plantings that can be used.