Biobrane™ W70 Drain Guard by Hy-Tex is a flat-pack drainage insert filter made from 70% recycled wool and 30% plant-based biopolymer, designed to trap sediment and absorb oil from surface water entering gully drains on construction sites, farms, and industrial areas. Fully compostable and biodegradable at end of use.

  • Filter insert for gully drains capturing sediment and hydrocarbons

  • 81 micron pore size for effective filtration

  • Holds up to 11kg of sediment and absorbs up to 2 litres of oil

  • Universal fit and compact flat-pack design for easy storage

  • Quick to install and maintain

  • Bypass ports maintain water flow during storms

  • Designed for up to 3 months’ use under normal conditions

Applications

Construction site drainage

Farmyard runoff control

Industrial estate stormwater management

Areas prone to surface water pollution

Dimensions

Skirt 90 x 80cm

Trap 30 x 30 x 25cm deep

Weight 280g

Materials

70% wool, 30% PLA biopolymer, non-woven, needle punched fabric, UV stabilised

Performance

  • Tensile strength 3.5 kN/m

  • Permeability 55 litres/m²/sec

  • Effective pore size 81 micron

  • Sediment capacity 11 kg

  • Oil capacity 2 litres

Sustainability

  • Made from 70% recycled wool and 30% plant based polymer

  • Fully compostable and biodegradable