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.
Characteristics
| Total pore volume | > 55 - 60 Vol% |
| Max. water capacity | ≥ 25 Vol% |
| Salt content | ≥ 2.5 g/l |
| Organic substances | < 40 g/l |
| pH value | 5.5 - 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.
