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Product Description

Visqueen Ultimate Geoseal is a 1mm thick, robust pre-applied waterproofing barrier. It is coloured grey on the upper surface and black on the reverse. The grey surface is textured to aid adhesion to cast concrete. The barrier is supplied in single wound rolls (not folded), 2.44m x 41m or 2.44m x 20.5m.

Features & benefits

  • Agrement certified - third party accreditation
  • Complies with NHBC Foundation’s NF94 guidance for use in Type B and Type C membrane locations
  • Complies with CIRIA C748:2014 - industry standard for volatile organic compounds (VOC) protection
  • Complies with the methane gas transmission rate, mass per unit area and thickness requirements of 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 8102:2022
  • High resistance to impact compared to standard Visqueen DPMs - greatly reduces risk of barrier becoming damaged during the build process
  • Also provides radon and damp proof membrane protection
  • Dual jointing methods - lap joints can be taped or heat welded

Need more information?

Our team of highly experienced technical experts are always on hand to provide the highest level of support and advice to our customers.

For technical support please call

+44 (0) 333 202 6800

Product Downloads

Technical Datasheet Health & Safety