About us


  • Hevadex is founded in 2009 and is located in Ghent (Belgium).
  • Hevadex has developed Blowerproof airtight coatings, and has started to manufacture Blowerproof in 2012.
  • In Belgium, Hevadex also offers airtightness works trough its sister company Hevadex Applications bvba. This gives us lots of practical experience how to reach passive airtightness levels and how to solve specific airtightness problems of clients whichever building method is used.
  • For our complete products range: www.hevadex.be 

Calculate budget

Calculate easily the cost for achieving a house or building made airtight.  Productkost or installed by an approved applicator with airtight building guarantee. 

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Our mission and priorities:

  • Our mission
    • Manufacturing innovative coatings to make building more ecologic and efficient.
  • Our priorities
    • To turn the wishes and problems of our clients to solutions.
    • To supply products which solve problems of clients and which have been thoroughly tested on jobsites before bringing these to market, including independant test certificates from organisations such as BBA, BBRI, Exova. 
    • Continuus striving for product improvements based on the experiences of our own applications company in Belgium, as well as based on the remarks and ideas of our clients. 
    • Continuus monitoring of the motivation of our employees, and striving for maximum commitment of our employees.
    • Creating added value for our share holders.
  • The board of Hevadex is engaged to:
    • Regularly judge our ISO quality controll system in place and improve where needed.
    • Continuusly evaluate the context of the Hevadex organisation and adapt where needed.
    • Impose goals and targets which are realistic but ambitious, and which can be measured.

Country sites: Ireland - United Kingdom - Suomi - Lietuviu - Espagna - Ceská republika - România

We guarantee the
airtightness of your
project !



Cost of product or installed by an approved

applicator with airtight building guarantee.