Filter Fleece FIL 300
Optigrün Filter Fleece FIL 300 is used as a filtration layer between the drainage and gravel layer on public roofs that are used by trucks and cars.
- Horizontal filter layer on green roofs between drainage and gravel base layer, under public areas with cars and trucks circulate, as well as pedestrians
- Filtration of particles from the substrate
- Puncture resistance 3,800 N (EN ISO 12236)
- Vertical water permeability 57 l/s x m² (EN ISO 11058)
- 21 kN/m resp. 24 kN/m max. tensile strenght longitudinal/lateral