Series 55 Security Demountable Fixed Secondary Glazing  


A heavy duty demountable fixed system offering very high levels of security suited to control rooms, secure laboratories and partitions. 

  • Frame width 1800mm
  • Frame height 3600mm
  • U-value 2.61W/m2K (9.5 – 12mm standard glass with timber primary window)
  • U-value 45 dB (Rw) (9.5mm glass with 100mm cavity)
  • Security accreditation LPS 1175 SR1, SR2 and SR3 (intruder) ISO 16933 EXV 25 and EXV 15 (blast) EN 1522/1523 FB4 (ballistic)