Membrane Effisus Breather Non-Closed

Breathable membrane for facades with open joints

An innovative breathable membrane with mono­lith­ic TEEE func­tion­al technology, for moisture management and protection against water and wind on facades, promoting its thermal efficiency and protection against condensations – highly permeable to water vapor but 100% watertight and wind tight.

The Effisus Breather Non-Closed Membrane has exceptional ageing resistance and thermal stability properties, protecting the façade, and thermal insulation, against wind and damp, even on the most aggressive environments. With superior resistance to UV light it is suitable for protection of facades with open joints up to 35mm. The existence of a large range of accessories allows its installation on the most demanding project requirements.

Why should you choose Effisus Breather Non-Closed Membrane?


  • Excellent UV resistance
  • 100% watertight – W1 (water column: 10m)
  • Highly diffusion-permeable
  • Wind tight
  • Outdoor exposure for up to 6 months.
  • Lightweight and black colored – invisible on the façade
  • Integrated component of the Effisus Ecofacade System


  • High impact on building longevity
  • Promotes indoor air quality and user health
  • Reduced maintenance needs
  • Recyclable Membranes
  • Non-solvent accessories
  • Reduction of wastes by customizing solutions

Effisus Breather Non-Closed – Breathable membrane for facades with open joints


Effisus 2Adjoin DF –  Double-sided adhesive tape for fastening breather membranes to the facade structure.
Effisus Adjoin TI – Flexible tape for sealing breather membranes overlaps or other details.
Effisus 2Bond GO – Double-sided butyl tape with exceptional adhesiveness.
Effisus 2Bond DS – Double-sided tape with active sealants technology for sealing perforations or penetrations on Effisus Breather Membranes.
Effisus Tight Rings – Highly elastic grommets for sealing cables or pipes penetrations on VCL or breather membranes.

Typical Applications

  • Effisus Ecofacade Envelope System
  • Curtain walls with open joints up to 35mm
  • Facades with open (joints up to 35mm) rainscreen cladding

Solution benefits

  • Multifunction – Permeable to water vapour, wind and damp tight.
  • Resistant – Resistant to movement, thermal variations and continuous contact with moisture.
  • Universal – Suitable for facades with open or closed joints, in any type of environment.
  • Complete system – Complete range of accessories for any project need.
  • Easy to install – No need for special tools.

Supporting Information

Product Brochure

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