Part E - Timber Floor / Ceiling

Part E - Timber  Floor / Ceiling,  is a  partition that we recommend using to pass the Part E of building regulations.

  • Airborne: 56dB (DnT,w + Ctr) *
  • Impact: 48dB (L'nT,w) *
  • 98mm (Plus joist depth)
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Part E Partition is a timber floor/ceiling partition consisting of the MuteMat OSF 750-10  being laid as an acoustic underlay on top of the structural board, the cavities inbetween the joists should be filled with Acoustic Mineral Wool 60 kg/m3 (the thickness of the acoustic mineral wool will depend on the depth of the cavity available). The ceiling is then treated with two layers of Acoustic Plasterboard 15mm being decoupled from the stud frame with the MuteClip® (Patent Pending) this helps to isolate the mass from the stud frame resulting in a vastly improved reduction of airborne noise, especially in the more problematic lower to middle-lower frequencies, as well as reducing immediate vibrations and an overall a high performing acoustic partition. The dual density rubber polymers of the MuteClip® improve noise reduction over a broad range of frequencies while remaining stable and consistent with every MuteClip®. 

Partition Build-Up

Thickness (mm)

Mass (kg/m2)

MuteMat® OSF 750-10107.5
F-Ball F3 Adhesive20.3
Structural Board1810
Acoustic Mineral Wool 60 kg/m31006
MuteClip® and MuteClip® Channel40N/A
Acoustic Plasterboard 15mm1512.5
Acoustic Plasterboard 15mm1512.5


*Estimated kg/m (please look to use similar)

  • Easy to install, no incorrect fixing or shortages unlike standard Resilient Channel.
  • MuteMat OSF 750-10 can accept most final floor finishes.
  • 98mm thickness (plus joist depth)
  • 52dB* for airborne (where a higher number is desired) (details are available on the 'System Performance' tab above).
  • Compliant with both Part E Building Regulations (England, Wales, Northern Ireland and the Republic of Ireland) and Building Standards Technical Handbook 2017 for Scotland for airborne and impact transmission. (Details are available on the 'System Performance' tab above).



Part E Partition: These partitions make it easier for the both client and specifier during the specification phase of a project. This selection of partitions/systems have consistently acheived the required performance levels to pass the legal requirements of part e building regualtions. These partitions/systems have also been curated to ensure that they are cost effective for the client with reassurance to the specifier as we have have consistent results with these systems on site.


The Partition can be specified on a wide range of projects that include large scale residential builds, commercial properties such as separating office partitions for increased privacy, and even audio recording and audio editing environments that are limited in space. This system is also suitable for retrofits for those looking to improve existing properties, perfect for soundproofing the home. 

Projects where you are specifying the use of the partition. We can provide Acoustic Modelling Data for estimating results, CAD drawings of the MuteClip® and Channel to aid visualisations, and fantastic rates so that you feel you're making the right choice. We also provide Acoustic Testing for existing structures as well as Part E Building Regulation testing and additional acoustic testing options for projects that include: Gyms and Nightclubs or even homes that require or seek increased acoustic performance for improved living quality.

The Partition contains components from our MuteRange core - these are products that have been subjected to stringent testing in both laboratory and real-world environments providing the best possible solution for the purpose with a result you can trust.


You can find out more about our all-encompassing MuteRange by clicking on the icons below or get in contact with iKoustic today.



MuteClip® System vs Resilient Channels

We have provided a detailed blog on the use of our MuteClip® System against the 'Additional Costs of Resilient Channel.' 

"To make you aware of the potential issues and additional costs Resilient Channel can leave within the project, we have provided some brief points to review before proceeding with this method."


A Guide to Soundproofing a Floor

If you are new to soundproofing, or you are unsure which system to use for your needs, or for any requirements, you can learn more thanks to our handy guide by clicking on the icon below. You can also pick up the phone to say 'hello' or leave us a message, and we will together find out how we can help you best - 01937 588 226!



A Guide to Soundproofing a Ceiling

If you are uncertain of what to look for when soundproofing a ceiling you can read our handy guide - A Guide to Soundproofing a Ceiling by clicking on the icon below. You can also pick up the phone and say hello to find out how we can help you on - 01937 588 226!



How to Install



Alternatively, we provide Acoustic Installation across the UK to fit all of our systems - they come with a wealth of experience in the field so you can feel comfortable that the right installation methods are being carried out.


Contact us | 01937 588 226


All of our systems contain a high level of mass; if there are any structural concerns, you will want to consult a Structural Engineer to discuss your requirements.

*Our Typical Performance Results and Noise Reduction Guidance are provided to indicate the results that have been achieved in previous tests but are not guaranteed to a specific site as multiple factors can affect this.

We endeavour to display the most up to date testing and to manage expectation as best as possible; please do contact us to discuss your requirements

Compliance with Part E Building Regulations and Scottish Building Regulations


  • When installed under the correct guidance this system is compliant with the required acoustic values for airborne transmission featured in Part E Building Regulations; these are applicable across the UK, excluding Scotland (England, Wales, Northern Ireland) and the Republic of Ireland. We would advise conducting a Sound Test to survey any planned conversions in existing properties before concluding on an Acoustic System.
  • Regarding Scottish Building Regulations we would advise conducting a Sound Test to survey any planned conversions in existing properties before concluding on this Acoustic System as they contain higher targets than that of Part E, our Legal Requirements section has the required acoustic values.

  • For additional guidelines and requirements for non-residential buildings; for example, Gyms, Nightclubs and Industrial focused purposes, please do contact us so we can discuss your available options.


When referring to Part E Building Regulations for interior rooms in a single dwelling, Part E Building Regulations would highly likely be adhered to in this scenario, as long as all Flanking Paths have been considered and adequately soundproofed. The same goes for the use of stud framework to separate two dwellings with the installation of MuteClip® Internal Double making sure all required components are installed correctly and Flanking Transmission paths dealt with sufficiently. This system has been tested as a framework in settings that showcase its performance going beyond the acoustic requirements set out in the Approved Document Part E.

In the installation phase of fixing Resilient Bar a number of incorrect fixings can lead to the failure of acoustic performance, we have seen them fitted the wrong way up to where the bar sags and bends leaving the Acoustic Plasterboard touching the floor, to them being overloaded and again, resulting in the Acoustic Plasterboard touching the floor. They have been over tightened and crushed the channel, and the fixings have breached the channel, and a direct path from wall to plasterboard is created, reducing the flexibility in the wall. The MuteClip® acoustic clip and channel system cannot be incorrectly fixed, and the design lends itself to being foolproof, no matter what experience you have in DIY. It also offers an acoustic improvement over the performance of Resilient Bars.


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