Tri-Gas Membrane

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Tri-Gas Membrane is a high performance gas membrane for use in situations where resistance to methane, carbon dioxide and/or radon gas is required. It is generally used within construction applications, predominantly within the foundation design. The multilayer 0.4mm thick membrane includes an ultra-low permeability aluminium foil core encapsulated between a number of additional LDPE layers and a reinforcing grid to form a single sheet membrane.

Features and Benefits:

  • Excellent resistance properties with low permeability to ground gases including methane, carbon dioxide and radon
  • Provides additional damp proofing protection to the structure (no requirement for a separate DPM)
  • Reinforced membrane construction with excellent resistance to both puncturing and tearing
  • Complies with relevant industry codes and guidance including BS 8485:2015 + A1:2019, CIRIA and BRE
Platform Compatible Version Certified to
IFC IFC - 1 2.1
Revit Revit 2017 + 1 2.1

  • Properties and values
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Properties and values

COBie
BOS_General
NBS_Data
COGasPermeability
0.2
Form
n/a
MethaneGasPermeability
0.04
PerformanceAntistaticProperties
n/a
PerformanceElongationToBreak
22% (MD), 16% (XD)
PerformanceResistantToUndergroundGases
n/a
PerformanceTearResistance
295 N (MD), 341 N (XD)
PerformanceTensileStrength
370 N/mm (MD), 347 N/mm (XD)
PerformanceUvStabilization
n/a
PerformanceWaterVapourResistance
0.01 gsm/day
PhysicalPropertiesDimensionsRollLength
50000 mm
PhysicalPropertiesDimensionsThickness
0.4 mm
PhysicalPropertiesDimensionsWidth
2000 mm
PhysicalPropertiesWeight
370 gsm
RecycledContent
n/a
RollWeight
38 kg
RootInhibitor
n/a
Standard
n/a
TemperatureRange
-40 to +70
ThirdPartyCertification
n/a
Pset_CoveringCommon

More information

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