![]() Soundproofing Products Australia online store sells a wide range of thermal and acoustic insulation products. Want to know more or have a question? Simply contact us below and we’ll do our best to help. *Rw rating is a single number quantity summarising the transmission loss of a material over the frequency range from 100Hz to 3.15 kHz under AS/NZS 1276.1:1999. (II) a sole-occupancy unit from a plant room or liftshaft (c) A wall in a Class 9c aged care building must have an Rw not less than 45 if it separates(I) a sole-occupancy unit or (II) have an Rw (airborne) not less than 50, if it separates a sole-occupancy unit from a plant room, liftshaft, stairway, public corridor, public lobby or the like, or parts of a different classification (I) have an Rw + Ctr (airborne) not less than 50, if it separates sole-occupancy units and ![]()
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