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Layer components from top to bottom:
- Vegetation
- Growing media SRM,
- Filter sheet VLF-200,
- Drainage board DiaDrain-40H
- Moisture retention & mechanical protection mat VLS-500
- Anti-root membrane FLW-400
- Building infrastructure
Diadrain-40H
Drainage boards for semi-intensive type green roofs. The special design of the diadrain-40H allows it to hold the maximum amount of water in its specially formulated cells, which is gradually delivered to the plants, making it best suited for projects where we want to achieve better management and savings in irrigation water. The high compressive strength of the drainage diadrain-40H enables any type of construction on it.
Indicative section
Technical leaflet
Specifications
| Board size (mm) | 2040x1040x40 |
| Water retention capacity (l/m2) | 19.59 |
| Overlap loss | -5% |
| In-fill volume (l/m2) | 22.75 |
| Weight (kg/m2) | 1.96 |
| Compressive strength (KN/m2) | 338 (unfilled) 588 (filed) |
| Material | Recycled high impact polystyrene (HIPS) |
| Water flow capacity (EN ISO 12958) | Slope 1%=0.70 Slope 2%=1.01 Slope 3%=1.25 Slope 5%=1,63 |
| Storage | horizontal , for long term storage protect from UV radiation |
