Visqueen Gas Barrier

Features and benefits:

  • BBA approved and fully complies with BS 8485:2015.
  • Low permeability to methane, radon and carbon dioxide.
  • Approved for use in NHBC Amber 2 applications.
  • Multi-layer reinforced LDPE membrane with aluminium core.
  • High puncture and tear resistance.

Visqueen Gas Barrier offers a safe solution for the protection of buildings against methane, radon and carbon dioxide, when installed in accordance with the relevant codes of practice. Visqueen Gas Barrier is a multi-layer reinforced polyethylene membrane with an integral aluminium foil. For ease of identification on site Visqueen Gas Barrier is coloured blue on one side and silver on the reverse. The barrier combines strength and performance with flexibility and easy installation.

Installation and test results information can be found on our datasheet.

General information


Top surface: Ribbed, Bottom surface: Smooth


Top surface: Blue, Bottom surface: Silver


High resistance to puncturing and tearing


Low-density polyethylene (LDPE) with reinforcing grid and aluminium foil core


Refer to IAB Certificate

Uniclass 2015

Pr_25_57_65_60 Plastics sheetsPrimary


J40/140 Loose laid plastics or rubber sheet gas retardant damp proofing

J40/35 Loose laid plastics or rubber gas retardant damp proofing

Specification data - Plastics sheets

Product Reference

Visqueen Gas Barrier




2.0 x 25 m

2.0 x 50 m


Double Sided Jointing Tape

Blue butyl based strip adhesive.

Foil Backed Lap Tape

Single sided tape for securing laps in demanding conditions.

Gas Resistant Detailing Strip

Self adhesive strip for forming complex shapes and junctions.

GR High Performance DPC

Gas-resistant co-polymer thermoplastic DPC.

TreadGUARD 1500

For protecting membranes from damage from following trades.

Preformed Pipe Cloak (Top Hat) Units

For airtight seals around service pipe penetrations.

Preformed Unit

For junctions or complex details.

Standard product features




400g/m2 in accordance with BS8485:2015.

Digital objects
PlatformCompatibleVersionCertified to
IFC2X3 2 1.3
Revit 2015 4 1.3
Download now from NBS National BIM Library
Third party certifications
  • 13/5069 : Product page 1
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