Visqueen Ultimate GeoSeal

Visqueen Ultimate Geoseal is a 1mm thick, robust and chemically co-extruded product, that is hydrocarbon, volatile organic compound (VOC) and a gas resistant waterproofing membrane. It is coloured grey on the upper surface and black on the reverse. The grey surface is textured to aid adhesion to cast concrete.

Product Information:

  • Core Type
  • Gauge / Basis Weight
    97 g
  • Performance Category / Characteristics
    Moisture/Water Resistance
  • Color(s)
    Black, Grey
  • Length
    41 m
  • Material
  • Width
    2.44 m

Features & Benefits:

  • Agrement certified - third party accreditation
  • Complies with CIRIA C748:2014 - industry standard for volatile organic compounds (VOC) protection
  • Complies with BS 8485:2015 + A1:2019 - industry standard for methane and carbon dioxide protection
  • Type A Barrier Membrane (Tanking Membrane) - resistant to ground water in accordance with BS 8102:2009
  • High resistance to puncture - greatly reduces risk of barrier becoming damage during the build process
  • Multi functional - also acts as a radon and damp proof membrane
  • Dual jointing methods - lap joints can be taped or heat welded

Regions Available

  • Europe

Ideal For:

Visqueen Ultimate GeoSeal is a pre-applied fully bonded Type A Barrier Membrane (Tanking Membrane) for use with below ground reinforced concrete structures e.g. basements, retaining walls, lift pits and car parks. The barrier also prevents the ingress of harmful levels of volatile organic compounds (VOCs) and hazardous ground gases.


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