Biobrane™ W70 SiltPocket™ is a lightweight, portable mat with interlocking pockets, made from 70% recycled wool and 30% PLA, designed to trap silt and filter water for erosion control, gully reinstatement, check dams, and silt fences. Fully compostable and biodegradable, with 81 micron pore size and 500 g/m² weight.

  • Lightweight, portable, no dig fence and trap for silt and erosion control

  • 100% bio-based, fully compostable and biodegradable

  • Traps sediment material and filters passing water

  • Reduces water velocity to limit erosion

  • Encourages settlement of silt

  • 81 micron pore size for effective filtration

  • Low carbon footprint with recycled wool content

Applications

  • Gully erosion reinstatement

  • Check dams

  • No-dig silt fences

  • Silt traps

  • Restoring eroded wetland margins

  • Processing pumped dirty water

Dimensions

  • Expanded pocket size 900mm long x 300mm high

  • Weight 500 g/m²

  • Units per metre 3.12

  • Silt entrapment capacity (30º slope) 220 kg/m

Materials

70% recycled wool, 30% PLA bio-polymer

Performance

  • Permeability 78 litres/m²/sec

  • Pore size 81 micron [EN ISO 12956]

  • Strength 3.5 kN/m [EN ISO 10319]

  • Break elongation >50% [EN ISO 10319]

Sustainability

  • 100% bio-based, fully compostable and biodegradable

  • Low carbon footprint