Optigrün DRAINAGE AND WATER STORAGE ELEMENT FKD 60BO

• Under intensive green roofs, filled with drainage fill Perl 8/16
• Under temporarily drivable, gravel lawn areas without gravel base course filled with drainage fill Perl 8/16
• Unfilled installation under intensive roof greening at a substrate height of up to 40 cm possible, in combination with Optigrün filter fleece FIL 300 (driving over the unfilled drainage and water storage element with vehicles of any kind not possible)
• Suitable for slope-free roofs
• Fast drainage of excess water
• Open to vapour diffusion – suitable for inverted roofs
• Easy construction with high drainage capacity
• With circumferential edge overlaps

LV-Text

• Material HDPE recycled regenerated Nominal
• thickness approx. 60 mm
• Weight approx. 2.3 kg/m²
• Water storage tank approx. 23 l/m² backfilled
• Max. discharge capacity approx. 2.29 l/s x m (at 2% gradient)
• Max. compressive strength flush filled with chippings 2/5 approx. 650 kN/m² at 10% compression