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Vapour Barrier

ME003 is a 3-ply polyethylene membrane which has been developed as a high performance vapour control layer


For Interior Use

This innovative 3-ply polyethylene vapour barrier membrane (VCL) meets virtually all the demands of professional practice. It protects the building construction and insulation by providing a vapour and air-tight seal. This means it prevents moisture vapour from inside the building entering the building fabric. This high-grade product offers comparable diffusion resistance properties to typical 160 μm PE vapour barriers, despite its lower thickness.

  • VCL for building protection and to improve energy efficiency
  • Straightforward application due to low weight
  • Flexible and tear-resistant
  • Highly vapour retardant
  • Compatible with illbruck intelligent window membranes and adhesives


Item No.        Roll Width        Roll Length           Rolls/Box

398877           1.5 m               50 m                    1 

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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