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Vapour Barrier

ME003 is a 3-ply co-extruded PE membrane which has been developed as a vapour barrier.


This innovative 3-ply co-extruded PE vapour barrier membrane meets virtually all the demands of professional practice and protects the construction and insulation by providing a vapour and air-tight seal. High-grade granulates are used as its main constituents, which does not lower the sd-value (vapour diffusion-equivalent air layer thickness). Consequently, this high-grade product offers comparable diffusion resistance properties to typical 160 μm PE vapour barriers, despite its lower thickness.

  • Straightforward application due to low weight
  • Flexible and tear-resistant
  • Highly vapour retardant
  • Compatible with illbruck intelligent window membranes and adhesives

Technical data


PropertyTest MethodResult
Application  Vapour retarder
Material 3-ply co-extruded polyethylene membrane
ThicknessEN 1849-2110 µm
GrammageEN 1849-2 Ca. 100 g/m²
Building Material ClassDIN 4102-1 B2 
Reaction to FireEN 13501-1 Class E
Maximum Tensile Strength - Lengthwise/CrosswiseEN 12311-1 >150 N/ 50 mm
Elongation of Break - Lengthwise/CrosswiseDIN 53857>850 %
Tear Growth ResistanceEN 12310-1>140 N
Vapour Diffusion - Equivalent Air Layer ThicknessEN 1931Sd-value >107 m
Vapour Resistance 535 MNs/g
Service Temperature RangeEN 13859-1-40°C to +80°C
Durability for Water Vapour PermeabilityEN 13984passed 
Storage Store in shaded, dry conditions and avoid stacking pallets
Shelf Life 1 year when stored as recommended in original unopened packaging 

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