Monarflex Reflex Super - Radon Barrier Membrane - Icopal

Monarflex Reflex Super - Radon Barrier Membrane

Monarflex Reflex Super radon barrier may be used loose-laid with ground supported or suspended slabs and is satisfactory for use as a DPM when properly sealed and detailed to restrict the ingress of ground gases.

Monarflex Reflex Super is recommended for use in situations of medium to high concentrations of radon gas or where methane, carbon dioxide and other gases are present.

Features & Benefits

  • Durable 5 layer barrier membrane, 0.4 mm thick with reinforcement, can handle medium to heavy foot traffic.
  • Outstanding gas resistance characteristics. Suitable for radon and other gases usually present at landfill sites.
  • Provides buildings with superior overall air-tightness.
  • High performance moisture vapour barrier.

Product Availability 

Icopal Monarflex Reflex Super is available from our appointed UK distributor PAGeotechnical Ltd.
To find out more visit the PAG's dedicated website at:

Product Code Description Roll Size Weight
3006612 Monarflex Reflex Super (Sand Black) 2m x 25m 20kg


Product Data and Performance

Monarflex® Reflex Super is manufactured from four layers of virgin low-density polyethylene (LDPE) with a 8mm x 8mm 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 sand-coloured and ribbed, while the underside is black with a smooth finish.
Monarflex Reflex Super should be used in conjunction with Alumite Gas DPC.

Product Data
Roll Width: 2.0m
Roll Length: 25m
Colour Sand (topside), black (underside)
Weight/unit area 440 g·m-2
Membrane Thickness: 0.40mm
Water Vapour Transmission: 25 g·m-2  day-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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