Extensive Multi Layer Substrate E-heavy
Optigrün Extensive Multi Layer Substrate E-heavy is used as a vegetation substrate for extensive green roofs with a multi-layered build-up, for pitched roofs with roof pitch > 5° and for roofs with high load capacity/reserve; suitable for a broad plant species diversity.
Product properties
| Total pore volume | > 60 - 70 Vol% |
| Max. water capacity | >= 35 Vol% |
| Salt content | <= 3.5 g/l |
| Organic substances | < 65 g/l |
| pH value | 6.0 - 8.5 |
| Weight when saturated* | 1,320-1,680 kg/m³ |
Area of use
- Vegetation base layer for extensive multi layer green roofs and in the pitched roof area > 5° roof pitch
Specific properties
- Fulfils the requirements of the FLL Green Roofing Guideline
- More precise information about the weight is to be requested from Optigrün based on the region of the construction scheme
- Has a European Technical Assessment (ETA-13/0557) as part of the Optigrün system solutions