Multidoor Acoustic Doors meet the regulations and the project needs with appropriate levels of sound insulation and noise reduction required for each environment.
Multidoor acoustic doors meet the following performance levels:
PIA-C2 (Sound Insulation from 25 to 28 dB-Rw)
PIA-C3 (Sound Insulation from 29 to 32 dB-Rw)
PIA-C4 (Sound Insulation from 33 to 36 dB-Rw)
PIA-C5 (Sound Insulation from 37 to 40 dB-Rw)
Multidoor acoustic doors can also have as an additional the feature of fire resistance (PRF 30) - classification 1 (ABNT NBR 15930).
PFA-C3 (Sound Insulation from 29 to 32 dB-Rw + Fire Resistance 30min)
PFA-C4 (Sound Insulation from 33 to 36 dB-Rw + Fire Resistance 30min)
The standard dimensions for each type of product are already discriminated in the family types, so there is no need to modify the dimensional parameters.
(7 reviews)
