Roofdrain 25D
Standard 25mm core product range, suitable for all green roof applications and substrate layers of 150mm and below. Particularly useful on pitched roofs due to the cone shaped profile of the cuspates providing improved crush strength.
Area of use
- Drainage board for green roofs
- Combined drainage / reservoir function
- Particularly useful for sloped roofs
Specific properties
- Extensive use of reprocessed polymer
- Prevents accumulation of water
- Lightweight super structure with high drainage capacity
- Thermally bonded upper and lower nonwoven filter geotextiles
- Recyclable
| Properties | Value |
|---|---|
| Mass per unit area | 1840 g/m2 |
| Thickness | 27.4 mm |
| Water reservoir volume | 4.3 l/m2 |
| In-plane water flow, MD, HH, 20kPa, HG 1.0 | 4.50 l/m•s |
| Roll dimensions | 0.92m x 40m or 50m |