Breathable synthetic underlay membrane.

Breathable synthetic underlay membrane, flexible, featuring patented Defender technology, which gives the product antibacterial, anti-mould and anti-insect properties.

Technical specifications

  • Lightweightness
  • Walkability
  • Easy of installation
  • Durability

Documentation will be available on the RESERVED AREA

Main applications

On pitched roofs, mainly in wood, and on walls with wooden frame requiring optimal resistance to wind.


Defender technology combines the best properties of synthetic breathable membranes - antibacterial, anti-mould and anti-insect -with the non-washability of chemical principles and prolongs its action for the entire life cycle of the product. It has passed the skin friendly test conducted by Hohenstein Laboratories according to standard DIN EN ISO 10993-5:2009-10.

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