Gallery Cynthia 1
Gallery Cynthia 1
April 2020
Headquarters 1380 Lasne, Belgium

A game changer in insulation materials

Cynthia - A biobased fiber obtained from an invasive plant for insulation panels

CYNTHIA® is a perfect alternative to all natural fibers used today in thermal insulation and WPC industry, the perfect new asset to meet the climate and energy targets set by many countries, showing an intrinsic low carbon footprint, much lower than glass wool or polyurethane.

In-Between International, with a full dedicated and qualified team specialised in the innovative and sustainable treatment of the invasive Water Hyacinth, has created CYNTHIA® – a revolutionary and ecologic new industrial raw material in building and construction global market, through a process patented in 100 countries. This solution is a Game Changing Natural Fiber, from an inexhaustible source to unlimited global expanding market, showing the same technical properties as other natural fibers.

Key features

  • CYNTHIA® Insulation board is 95% eco-friendly.


  • Cynthia Insulation boards will be at the same price than existant wood based insulation boards on the market.

Categories of Application

Company Profile

Maturity Stage

  • Medium and large scale commercialization
  • Small scale commercialization
  • Initial market commercialization
  • Prototype testing in the real world
  • Prototype testing 1:1 in the lab

Looking For

Activity Region

  • /


Spain, Portugal,

North america

United States,

  • Headquarters
  • Activity

The information set out above, is solely for the purposes of information and the Solar Impulse Foundation does not provide any guarantee as to its authenticity, completeness or accuracy. This information does not constitute investment advice or a recommendation to buy into, transact or to enter into any agreement with any of the parties or persons mentioned above. Potential investors or interested parties are solely responsible for their investment or business decisions and for performing any due diligence required by the circumstances.