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Fire resistance

Fire resistant limit

Reaction to fire

Determines the contribution to fire development


Assessment of resistance to fire

Why choose us?

Laboratory for Fire Testing and Research with Certificate № 169 ЛИ of EA BAS according to BDS EN ISO/IEC 17025:2018
F Plus is a notified body with the identification number NB 2548 from the European Commission registry.
F Plus's laboratory testing and research is handled by highly qualified experts.

Request for testing and classification

Why choose us?



dipl.-eng. Plamen Uzunov

General Manager “F plus” Ltd.

assocc. frof. Detelin Spasov, PhD

Head of Laboratory for Fire Testing “F plus”.

dipl.-eng. Najden Aleksov

Electronics and Control