Winflex Optima

Winflex® Optima from BOSIG


Winflex® Optima is a special membrane for fast and reliable sealing of abutment joints on windows and exterior doors in accordance with the recommendations of the RAL Quality Assurance Association installation guidelines for windows and front doors and DIN 4108-7.


Winflex® Optima offers you amongst others the following advantages:

  • a single tape for internal and external abutment joint sealing – no danger of confusion, reliable planning,reducing stocks by half
  • numerous variants for any installation situation
  • optimal drying of the abutment joint
  • structural movements are absorbed thanks to transverse stretchability / flexibility
  • durable sealing ensured
  • can be painted and/or plastered over
  • no fluid adhesive systems to soil the window surfaces
  • solvent-free


For further information please don’t hesitate to contact our export manager.


Alexandra GrothAlexandra Groth

Tel.: +49 (0) 7162 / 4099 - 140

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