The Corden EPS Radon Barrier is a blown, extruded blend of virgin polymer MDPE and LDPE co-polymer. It prevents the transmission of unacceptable levels of harmful gases.

The Corden EPS Radon Barrier membrane offers immense strength, tear and puncture resistance in comparison to ordinary DPM and other radon and CO2 membranes.

ADVANTAGES

  • Suitable for use on sites contaminated with higher concentrations of Radon.

  • 4 metre wide centre-fold membrane

  • Premium DPM/vapour barrier

  • Extremely tough with excellent resistance to tear and puncture.

  • Compatible with vented systems

  • Conforms to the requirements of BR211

It can be installed as a proprietary gas/damp proof membrane without the need for reinforcements.

Technical specification

  • Thickness: 375mu/1500 gauge

  • Weight: 365g/m2

  • Standard roll width: 4m

  • Elongation at max load: 800%

  • Dart impact strength: 1.012kg

  • Tear resistance: 248N/mm2 / 303N/mm2

  • Low temperature flexibility: -5ºc

  • Radon permeability: 4x10-12m2/s

  • Carbon dioxide permeability: 637cc/m2.d

  • Moisture vapour transmission: 0.16g/m2/day