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doitBau® dejett 2

Universally applicable vapour barrier


Made from thermally bonded spunbond polypropylene and coated with a polyethylene copolymer blend, this vapour barrier effectively supports back diffusion. It thereby guarantees vapour permeable constructions an outstanding breathability. It is also available as doitBau® dejett 2 SK with self-adhesive strips.

  • ƒExtremely versatile with a constant Sd value
  • ƒƒHighly vapour permeable
  • ƒEasy processingn

Technical data

Material Spunbond polypropylene / PE coating Ultimate Elongation Lengthwise 40 %, crosswise 30 %
Composition Two-ply Resistance to tearing (nail shank) Lengthwise 200 N, crosswise 100 N
Colour White Resistantance to water penetration Pass
Basis weight 100 g/m² Flammability DIN EN 13501-1: Class E
Sd value 2 m Area of Application According to DIN 4108-7
Tear resistance Lengthwise 200 N/5 cm, crosswise 100 N/5 cm CE marking EN 13984:2006/A1:2007-1:2010