Pipe penetrations gaps


Penetration gaps must be made airtight in order to obtain an airtight house or building. Sealing is simple with BBA approved Blowerproof coating.

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Productsheet Blowerproof Liquid Brush

Penetration gaps along the outer skin of a house or building need to be made airtight.

Application method

  1. Ensure dustfree surface
  2. Fill gaps greater than 5mm with polyurethane foam (trim after drying) or use a cement based fast setting mortar
  3. Apply Blowerproof Liquid Brush in two coats
  4. Check for full coverage


Check reference projects -  Product information - Buy in UK - Approved applicator UK - Buy in Belgium - Approved applicator Belgium


For other countries, please contact: herman.vandamme@hevadex.be



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

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