Acoustics
Timber Flooring and Acoustics
Timber flooring is valued for its warmth, character, and timeless appeal, but its acoustic performance is also an important consideration, particularly in multi‑residential projects, apartments, and high‑density living. At NS Timber Flooring we provide expert guidance on meeting acoustic requirements without compromising on the beauty or durability of your floor.
When timber floors are installed in buildings with multiple dwellings or shared spaces, it is essential to comply with local building codes and strata or body corporate by‑laws. These rules are designed to limit noise transfer between floors, improving comfort and privacy for all occupants.
We understand the industry standards and specific requirements for sound insulation, including compliance with the Building Code of Australia (BCA) and any additional standards set by your building’s management.
Acoustic Underlays and Systems
To meet these requirements, timber flooring is often installed over an acoustic underlay. This specially engineered layer reduces both impact noise, such as footsteps or dropped objects, and airborne noise, creating a quieter environment. We work with leading underlay suppliers to ensure the best acoustic performance for your project.
Custom Solutions for Your Project
Every project is different. Factors such as the existing subfloor, the type of timber selected, the building’s structure, and your chosen installation method will influence the acoustic treatment required. Our team will assess your specific needs and recommend solutions that suit your situation while still achieving the finish you desire.
Underlays & matting
Timber floors are often installed in high-rise and unit developments where it is necessary to reduce to acceptable levels the noise transmission through to the habitable rooms in dwellings below. Due to this timber floors (and other similar hard flooring products including tiles) must be installed on an acoustic underlay.
There are many other factors that relate to the actual noise transmitted including what the floor space is used for, whether soft-soled footwear is encouraged and whether rugs and runners are used in higher foot traffic areas. Each of these can have a profound effect on the actual noise transferred and the amenity of those living beneath the floor.
Acoustic underlays come in different densities, materials, and thicknesses however it is also important to understand that higher or lower density does not necessarily relate to a lower acoustic performance.
Acoustic underlays are available for Traditional Solid Timber Flooring, together with Raw Engineered and Prefinished Engineered Timber Flooring.
Any acoustic requirements should be discussed with an NS Timber Flooring consultant to ensure the appropriate system is selected.
Common Questions - Acoustics
Why is acoustic treatment important for timber floors?
Yes. Timber is a renewable material, and when sourced from responsibly managed forests, it is one of the most sustainable flooring options available. It has a lower environmental footprint compared to materials like concrete or steel and helps reduce atmospheric CO₂ by storing carbon throughout its life.
Do I need an acoustic underlay for my timber floor?
In many multi‑residential and apartment projects, yes. An acoustic underlay helps meet building standards for impact and airborne sound insulation. Our team will advise you based on your project’s requirements.
Will an acoustic underlay change the look of my floor?
No. The underlay sits beneath the timber floor and does not affect the appearance of your flooring. It simply enhances performance.
Can acoustic performance vary between timber species?
The species itself has little effect on acoustic performance, but board thickness, installation method, and subfloor preparation all play a role. We can recommend the best combination for your project.
What acoustic standards do I need to meet in Queensland?
Most multi‑storey buildings follow the Building Code of Australia and may also have specific strata or body corporate by‑laws. We can help interpret these requirements and supply documentation as needed.
Can you install acoustic systems over concrete or existing timber floors?
Yes. There are suitable systems for concrete slabs, existing timber substrates, and other approved surfaces. We will assess your site and recommend the correct approach.
Does acoustic treatment make the floor feel softer underfoot?
Some underlays can add a subtle cushioning effect, but the feel remains solid and stable. The primary purpose is sound control, not softness.
Will adding acoustic layers affect the overall height of my floor?
Acoustic systems do add some height. We factor this into your project early, making sure transitions to other floor coverings are managed neatly.