Clears the impact-sound rules
Footsteps travelling down into the unit below are what the Building Code's impact-sound limits exist to stop, so every laminate and engineered floor has to be laid on a rated acoustic underlay — and expect the certifier to want the test data on file. Plenty of premium buildings set their target well above the BCA minimum.
On the spec:AAAC / Lₙ,w rated acoustic underlay beneath every laminate and engineered floor.
