What is the NCC acoustic requirement for floors between apartments?
From a professional specification perspective:
The National Construction Code requires the Weighted Standardised Impact Sound Pressure Level (LnTw) to not exceed 62dB for floors separating dwellings. However, individual strata buildings may impose stricter by-laws, and some councils demand LnTw of 40-50dB. FSA Network floor sanders ensure timber floor installations comply with all applicable acoustic requirements.
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