SPEKTRUM glazed door
/ Sound insulation Rw 26 dB ( Ra1- 25 dB) / Rw 31 dB ( Ra1- 29 dB ) / Rw 38 dB (Ra1 - 37dB)
SPEKTRUM glazed door
SMOKE-PROOF / Sound isolation / Rw 31 dB ( Ra1- 29 dB )
SPEKTRUM glazed door
FIRE-RESISTANT EI 30 / Sound isolation/ Rw 40 dB ( Ra1- 39 dB )