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“Sound Control for Homes” (ref 9) states:
“The impact sound insulation of a concrete floor with floating layer is controlled by the isolation between the floating layer and the base floor, the mass of the floating layer and base floor, quality of construction and flanking transmission.
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2.0 factors affecting airbourne sound insulation performance
3.0 factors affecting impact sound insulation performance
4.0 acoustic performance of composite floors
5.0 airbourne (stc) and impact (iic) ratings of floors incorporating 105mm thick unifloor
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