Optigrün Aeration Substrate U-heavy

Optigrün Aeration Substrate U-heavy is used as a drainable filler substrate beneath Optigrün Intensive Substrate I on intensive green roofs with high load capacity; high build-up.


Total pore volume> 55 - 60 Vol%
Max. water capacity≥ 25 Vol%
Salt content≥ 2.5 g/l
Organic substances< 40 g/l
pH value5.5 - 8.5
Weight when saturated*1,300-1,800 kg/m³

* Please contact Optigrün for precise details on weight in relation to the site location.