Aeration Substrate U-light
Optigrün Aeration Substrate U-light is used as a drainable filler substrate beneath Optigrün Intensive Substrate I on intensive green roofs with low load capacity; higher build-up.
Product properties
| 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* | 1,000-1,250 kg/m³ |
Area of use
- Filling substrate under multi layer intensive and lawn substrates
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