Optigrün 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.
|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|