Roofdrain 40S

ROOFDRAIN 40S 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
• Recyclable
• The textile filter has a flap extending beyond the core on one edge