Airborne sound insulation - Internal walls The required minimum airborne sound insulation values between rooms are defined by the activity noise in the source room and the noise tolerance in the receiving room. Internal walls with the adjacent rooms to a library will require high level of sound absorption to achieve the required values.
A typical lightweight metal stud wall can be insulated with Rockwool Flexi to achieve Rw 63dB . For a 146mm Metal ‘C’ studs @ 600mm ctrs construction, one layer of 15mm wallboard (12Kg/m2) on both sides and 1x 140mm or 2x70mm Rockwool Flexi should be used.
Hear the difference in noise levels of airborne sound. we recommend to use speakers to get the best experience
Classroom noise
Classroom noise with insulation
Reverberation in a Library Rockfon Silence products possess a combination of high sound absorption and high sound insulation. Rockfon Silence Koral 44 products are made from stone wool - resin bonded mineral wool. The rear side is factory bonded with a dense fire safe backing board.
Experience the reduced reverberation time in a library We recommend to use speakers to get the best experience
