- Fonher is certified with the standard UNE EN ISO 9001:2008 AENOR.
- One panel doors are certified fire-arrested 60 minutes.
- Two panel doors are certified fire-arrested 30 minutes.
- Big two panel doors are certified fire-arrested 45 minutes.
- Door locks, security components, with EC standard.
- All doors satisfy the EN-81.
- Every welders certified with ECA.
- Security closings designed with security EN machines.