Rock Wool Sandwich Panel Acoustic insulation effect is remarkable:

Sound Insulation: rock wool sandwich panels for noise reduction deliver significant role, especially for a place designated by the flight. In addition, the use of rock wool roof, rain, hail on the roof steel building caused by the impact of indoor sound, but also significantly reduced. By testing, in accordance with ISO 717/82 and UNI 8270/7 standards, the choice of a density of 120kg / m & sup3; sandwich core material for rock wool, sound insulation effect can be achieved RW = 29-30 dB

Sound absorption: rock wool sandwich panel also has excellent suction effect that can absorb sound within a relatively wide frequency range. In accordance with ISO 35/85 standard

, Rock wool sandwich panel acoustic performance levels reached DELTA LA = 15.7dB (A) ..