VICAIMA - How to install a Fire Door 30 min. AC37dB (en)

Door kit certified as resistant to fire for 30 minutes (FD30) and resistant to passage of sound at 37dB (FD30 AC37dB).
Also available as 33dB (FD30 AC33dB) performance or 42 dB (FD30 AC42dB) performance.
Suitable for hotels and situations which require both fire resistance and a high level of accoustic performance.