Once again, FilSpecTM innovates by launching FireFilTM, a fibreglass core yarn that is flame resistant, cut resistant and tear resistant.

Textiles created from this yarn exceed the highest standards of the fire-resistant fabric industry, offering triple protection to firefighters and industrial workers exposed to various dangers.

An ingenious design

Thanks to an innovative spinning technology, a highly flame-resistant fibreglass filament is inserted in the centre of the yarn. The outer layer of this yarn, made of high-performance textile fibre, is carefully chosen so as to render the composite yarn more effective.

The fibreglass core yarn is then woven to create a FireFilTM fabric that is flame resistant, cut resistant and tear resistant.

Dessin technique



FireFilTM advantages

  • Fibreglass makes FireFilTM resistant and protective
  • No after-flame
  • Does not melt or drip
  • Yarn does not shrink in extreme heat*
  • High tear strength: 200% higher than the NFPA 1971–2013 requirement*


  • Resistance of over 1,000 newtons in warp direction and 1,450 newtons in weft direction*
  • Flexible modular technology, according to the required performance and individual needs

*According to tests undertaken by Underwriters Laboratories (UL) on a 7.2 OSY fabric.



Tests carried out by Underwriters Laboratories Logo UL


Graphique Force de rupture


Graphique Resistance aux déchirures


Graphique Longueur carbonisée


Graphique Resistance aux déchirures


Graphique Rétrécissement


Choose FireFilTM, a canadian solution that exceeds standards and ensures protection against flames, cuts and tears at a competitive price.

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FireFil Welders

FireFilTM has been adapted to meet the specific needs of welders exposed to sparks and molten-hot metal shavings.

FireFilTM Welding is a coated glass-core yarn designed to both protect welders and improve their comfort.

With its moisture-wicking properties, the fabric made with FireFilTM feels comfortable against the skin and can be used to produce coveralls or protective aprons.

« My coveralls are light and comfortable. I’ve worn them in a lot of different conditions and they passed the test every time. They’re much more breathable than my old coveralls, which will be great in the summer!
- Marcellin, welder at Normex Métal.


available Resources




Visit our Flame Resistance, Electric Arc Resistance, and Humidity Control pages to learn more about the properties of FilSpec’s products.

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