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Guide • 5 min read

Insulation for apartments and townhouses

12 September 2024

Acoustic batts and pipe lagging — how to reduce noise transfer in multi-residential builds.

Why multi-residential is different

In apartments and townhouses, noise between neighbours is often a bigger concern than heat. The NCC sets minimum sound insulation ratings for walls and floors between separate dwellings.

Walls between units

Dense acoustic batts in separating walls and internal partitions dramatically reduce voice and TV noise. Pair them with quality plasterboard and sealed junctions for best results.

Pipes and services

Waste pipes running through ceilings and walls are a common source of noise complaints. Wrapping them with SoundLag™ Pipe Lagging cuts the sound of flushing and draining water.

Fire considerations

Separating walls also need fire performance. Fireseal Wall Batts and other non-combustible stone wool products help meet fire-rated wall system requirements. Talk to our team for help choosing compliant products.

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