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ME501 VV
Duo Window Membrane HD

ME501 VV is a high strength, tear resistant membrane made from polyethylene copolymer film with non-woven fabric and self-adhesive films for reliable and user-friendly application.


ME501 VV provides a high performance internal and external seal to the perimeter joints between the window/curtain wall and the construction.

Due to the intelligent, variable vapour permeability (sd value), complies with ‘inside tighter than outside principles’. The full self-adhesive backing provides a quick and robust method of adhesion to window and construction substrates.

Ideally used as an external weather tight seal in conjunction with ME508 Duo Membrane EW/F as an internal airtight seal.

  • Quick and easy application with high performance ‘next generation’ waterproof acrylic adhesive strips with split release liner
  • Cold/winter weather application easier (with use of primer)
  • Requires minimal or no ‘wet’ adhesive
  • Minimises wastage
  • Instantly weatherproof up to 600 Pa and airtight to Passiv Haus standard (600 Pa)
  • High-performance adhesive is compatible with most common building substrates (please contact an illbruck representative for more information or technical advice)
  • Reduction in application risk especially around corner detailing etc. and from other trades penetrating the membrane post-application - reducing the cost of potential remedial works whilst being easy to repair if necessary.
  • Intelligent moisture management through variable sd value - ideally installed in conjunction with ME508 Duo Membrane EW/F to facilitate drying out of wall build-up.
  • UV stable – will tolerate up to 12 months’ direct exposure prior to covering.
  • Fully compatible with illbruck Building Protection Membranes.

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