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Extensive Green Roofs

If designed specifically to increase the biodiversity and attract a particular fauna and flora, they are called "Biodiverse Green Roofs". Biodiverse green roofs reproduce natural habitats and attract flora and fauna into the area, e.g. by providing food, nesting opportunities or resting places for creatures, such as spiders, beetles, butterflies, birds, etc.
Characteristics
- Adapted plant communities
- Minimal maintenance required
- Supply of water and nutrients mostly by natural processes
- Shallow build-up height
- Weight approx. 50150 kg/m

Sedum Carpet
Ornamental Sedum
Pitched Green Roofs
Extensive Geen Roof "Sedum Carpet"

Floradrain FD 25-E is the appropriate drainage and waterstorage element for this system. It has the necessary compressive strength, a low profile height, little weight and is walkable. Proven Sedum species, in combination with the adapted substrate and system build-up, guarantee a durable green roof. The system substrate Sedum Carpet is particularly suitable for extensive green roofs as well as the plant community Sedum Carpet , containing various low-growing Sedum species that are wind- and frost-resistant.
The main blooming time is early summer with yellow, red and white flowers dominating. During the year, Sedum Carpet is represented in various shades of green. Red shades show particularly in autumn and are a nice change in the green roof s appearance.
Sedum cuttings are produced by cutting off the shoot tips of selected types of Sedum. This is only possible during the non-flowering period (spring or autumn), as flowering shoots do not easily grow roots. With Sedum cuttings, good ground cover is achieved within 23 years. A faster ground coverage is achieved with plug planting.
System Build-Up

Extensive Green Roof "Ornamental Sedum"

Water and nutrients are mostly supplied through natural processes. Rainfall collects in the Floradrain storage cells and roots are provided with water through diffusion. Water is also stored in the protection mat. Excess water is drained away by the Floradrain element.
Sedum species and other perennials are primarily used as a ground cover. The vegetation of Rockery Type Plants is obtained by root ball plants. Hand-planting ensures the design agrees with the landscaping drawings.
The system build-up Rockery Type Plants can also be combined with seed-sowing. Different seed mixtures, such as Meadow Scents , Country Colours and Grassy Pasture provide green roofs with a very attractive back to nature appearance.
System Build-Up

Pitched Green Roofs

A professionally waterproofed roof surface, e.g. with bituminous or highpolymer membranes, is a precondition for a durable long-lasting green roof. The waterproofing should be root resistant and a protection mat with high water storage is needed. Floraset FS 75, a multi-functional drainage element of expanded polystyrene is the perfect element for pitched green roofs.
It is very important to take the green roof upkeep and maintenance aspects into account from the early planning stage of the project on. Skylights can be installed as access for the maintenance personnel.
System Build-Up

