Optigrün BUILDING PROTECTION AND DRAINAGE ELEMENT FKD 12

• Incl. PP filter fleece layer with 23 l/m² x s water permeability (GRK 4)
• Incl. PE film (friction coefficient <0.6) as the first sliding layer
• On roof surfaces with at least 2 % standard gradient
• To prevent waterlogging
• CE-certified
• Without water reservoir

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• Material HDPE recycled regenerated material
• Nominal thickness   12 mm
• Weight approx. 1.3 kg/m²
• Max. discharge capacity approx. 0.39 l/s x m (at 2% gradient)
• Compressive strength approx. 1,600 kN/m2 according to DIN EN ISO 25619-2