Icopal Monarflex RAC Radon Barrier Membrane

Monarflex RAC - Radon Barrier Membrane

Monarflex® RAC is part of Icopal’s Monarflex® gas control systems and may be used loose-laid with ground supported or suspended slabs, and is satisfactory for use as a dpm, and when properly sealed and detailed it will provide an effective barrier to the passage of methane, radon, air and moisture from the underlying soil. It is also suitable for dealing with volatile organic compounds (VOCs). 

Features & Benefits

  • Resistant to V.O.C., CH4 & CO2.
  • Also suitable for tanking applications.
  • Used under heavy reinforced concrete slabs.
  • Extremely Robust 6 layer construction.
  • Weldable.
  • Suitable for use on high risk sites.

Product Availability 

Icopal Monarflex RAC is available from our appointed UK distributor PAGeotechnical Ltd.
To find out more visit the PAG's dedicated website at: www.pageo.co.uk

Product Code Description Roll Size Weight
3003707 Monarflex RAC 2.05m x 25m 41kg


Product Data and Performance

Monarflex® RAC is manufactured from four layers of virgin low- density polyethylene (LDPE) with a 12 x 12mm multi-filament polyester (1670 dtex) reinforcing grid between to give high strength and tear resistance. The membrane also incorporates a 12 µm aluminium foil for low permeability to gases. The top surface is grey-coloured and ribbed, while the underside is grey with a smooth finish. Monarflex RAC radon barrier membrane should be used in conjunction with Alumite Gas DPC

Product Data
Colour: Grey
Weight/unit area: 800 g·m-2
Membrane Thickness: 0.8mm
Water Vapour Resistance: 20520 MN·s·g-1
Equivalent air thickness: Sd = >1500 m
    Contact Icopal 0161 8654444

    This product is available only from our appointed UK distributor PAGeotechnical Ltd. To find out more visit the dedicated website at:


    Or contact PAG at::

    PAGeotechnical Ltd.
    Darwin House,
    Corby Gate Business Park, Corby,
    Northants. NN17 5JG

    Tel: 01536 740040
    Fax: 01536 740044



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