Verniflam® AITHON F3
Verniflam® AITHON F3 is a non-downgrading finishing product of the Verniflam® AITHON PV33 intumescent fireproofing system for fireproofing wood on the surface. Verniflam® AITHON F3 can be applied to wooden substrates of 8 mm or more, on areas such as walls or ceilings, that are not subject to mechanical stress. Verniflam® AITHON PV33 is not suitable for floors or stairs for example.
It is a solvent phase varnish.
Packaging in 0.5kg, 4kg and 20kg cans.
To date, the reaction to fire documents of Verniflam® AITHONF3 relate only to the use of Verniflam® AITHONF3 as a top coat of Verniflam® AITHONPV33.
We also offer the application of our intumescent solutions in workshops, on your supports, do not hesitate to contact us for any request or quote.
Choose your packaging
Verniflam® Aithon F3 is used as a protective layer of the Verniflam® Aithon PV33 intumescent varnish.
Used with the intumescent Verniflam® Aithon PV33, it fire-classifies wood and wood-based materials inside the E.R.P. It is also suitable for improving the fire resistance of wooden elements.
Reaction to fire:
- 300 g/m2 Verniflam® Aithon PV33 primary intumescent (in two passes).
- 40 g/m2 Verniflam® Aithon F3 Top Coat (in one pass).
Consumption refers to fire behaviour according to EN 13501-1.
Fire resistance:
- from 300 g/m2 to 1150 g/m2 Verniflam® Aithon PV33 intumescent primer (in several passes).
- from 40 g/m2 to 70 g/m2 Verniflam® Aithon F3 Top Coat.
Consumption refers to fire resistance according to ENV 13381-7 and EN 13501-2.
Application with a brush, roller or spray gun. May require dilution with a product for solvent-phase finishes.
Consult the technical sheet before use.
A verification gauge is available from €1,000 excl. VAT in our Verniflam® range.
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Made in France
Some of our flame-retardant solutions are manufactured in France, at our factories in Loire-Atlantique, drawing on our expertise and in-house R&D department. This expertise enables us to refine our formulations and meet specific requirements.
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Tests and performance
Our solutions are tested by accredited laboratories in accordance with current standards and protocols. The results of these tests are used to draw up technical documents certifying the performance and fire resistance of the products in question.
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Technical Expertise
For over 25 years, Protecflam has been developing its expertise in the field of passive fire protection and the fire retardancy treatment of a wide range of materials. This experience enables us to support each project with an approach tailored to its specific requirements.
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Personalized Support
From identifying your requirements to selecting the most suitable solution, our team is here to support you with your flame-retardant treatment projects. Whether it’s a workshop-based treatment or an on-site service, we tailor our approach to the specific requirements of your project.



