Optigrün Extensive Single Layer Substrate M-heavy
Optigrün Extensive Single Layer Substrate M-heavy is used as drainable vegetation substrate for extensive single-layered green roofs; for roofs with high load reserves.
Characteristics
| Total pore volume | > 60 - 70 Vol% |
| Max. water capacity | >= 20 Vol% |
| Salt content | <= 3.5 g/l |
| Organic substances | < 40 g/l |
| pH value | 6.0 - 8.5 |
| Weight when saturated* | 900-1,260 kg/m³ (light version) 1,180-1,490 kg/m³ (heavy version) |
* Please contact Optigreen for precise details on weight in relation to the site location.
