Roofdrain 20S
ROOFDRAIN 20S is a geocomposite drainage and water retention layer comprising a high performance single cuspated perforated HDPE core.
Area of use
- Drainage board for green roofs
- Combined drainage / reservoir function
- The major application is for use as a drainage layer and water reservoir to sustain plant growth in extensive green roof areas
Specific properties
- Extensive use of reprocessed polymer
- Prevents accumulation of water
- Lightweight super structure with high drainage capacity
- Thermally bonded nonwoven filter geotextile on flat side
- Recyclable
- The textile filter has a flap extending beyond the core on one edge
| Properties | Value |
|---|---|
| Mass per unit area | 1370 g/m2 |
| Thickness | 21.2 mm |
| Water reservoir volume | 5.5 l/m2 |
| In-plane water flow, MD, HH, 20kPa, HG 1.0 | 3.95 l/m•s |
| Roll dimensions | 0.92m x 50m |