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An Independent Stud wall

Cross-section of a soundproofed independent stud wall

For those looking to reduce sound penetration to the maximum, an independent stud wall is the best choice. For maximum performance the Genie clip stud wall is the premium choice however a good result can also be achieved with resilient bars.

The independent stud wall will achieve great performance across the whole range of frequencies and is the best solution for low frequency sound. The wall must be independent of the existing structures, there must be a physical air gap between the new stud and the existing wall. It is the thickness of the solution which is integral to the performance of the solution.

Don't forget to soundproof your plug sockets too. You can find out more in this article.

Sound proofing basics

To achieve best results when soundproofing a wall, three areas need to be addressed. 

  1. The mass of the wall:- Light weight walls do not soundproof as well as heavier walls. All the solutions we offer aim to increase the mass of the wall. This is generally achieved by adding acoustic plasterboard.
  2. The resilience and acoustic separation of the wall - When designing the ideal acoustic wall you would, if space permits, create a new wall in front of the existing wall. The bigger the gap between the two walls the better the result, particularly for low frequency sounds. In action, this wall should have in built springiness which will mean it performs above and beyond a normal stud wall. This springiness, or resilience, can be achieved with Genie Clips or resilient bars. The performance of the mass on that wall is enhanced by around 40% when mounted using one of these solutions.
  3. The sound "absorbency" of the wall. By adding different materials the sounds energy gets trapped more easily within the wall- The most cost effective method is the use of acoustic mineral wool.
However where noise is extreme from next door we have to add further elements.

  1. Depth of soundproofing-the deeper your soundproofing barrier the better it performs. Hence 100mm wall are better than 50mm 
  2. Separation - The deeper the soundproofing solution the more effective. However a physically separate wall ( even if separated by just 10mm from the original wall provides a significant uplift in performance. This stops the vibrations of the sound energy from reaching your side of the wall. 
  3. Acoustic Barrier- For the absolute maximum protection an acoustic membrane can be incorporated into the mix.

Understanding Performance

We summarise our solutions in a performance table shown below.

You will notice two figures quoted. The total performance, which is normally quoted on most sites, refers to the performance of an average wall with soundproofing materials added. The other value is the improvement, or performance uplift, over the existing wall. Be very aware of sites that claim that the product they sell will improve performance by 40 dB. We know that this is not physically possible and that the figure quoted refers to a total performance figure including the existing wall being soundproofed.

When trying to understand the performance of an acoustic treatment look at the Db performance uplift. In broad terms every 10dB of performance uplift corresponds to roughly a 50% improvement in the performance of the wall. So 20dB would indicate a 75% Improvement over and above the original wall.


Key Points:

  1. Genie Clips outperform resilient bars by ~7dB
  2. Highest performance independent stud wall
  3. Genie Clip technology in a home soundproofing package
  4. Wall soundproofing at a level significantly above regulation requirements
  5. Online calculator will work out your exact requirements


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Independent Stud Wall Sound Insulation performance table

Wall Depth Gain Total system Performance airborne Typical Airborne Improvement
50mm stud. 107mm 59dB 22dB
50mm stud. Tecsound 50 Upgrade 109mm 62dB 26dB
75mm stud. 132mm 61db 26dB
157mm 63db 28dB
75mm stud. Tecsound 50 Upgrade 134mm 64dB 30dB
100mm stud. Tecsound 50 Upgrade 159mm 66dB 32dB
50mm x 2.7m metal studs Tecsound 50 Upgrade 107mm 62dB 26dB
50mm x 2.7m metal studs 109mm 59dB 22dB
50mm x 2.4m metal studs 107mm 59dB 22dB
50mm x 2.4m metal studs Tecsound 50 Upgrade 109mm 62dB 26db

Compare all our wall solutions here.