Knauf Acoustic Mineral Wool RS60 50mm 60kg per m3
£49.95 (Excluding VAT)
£59.94 (Including VAT)
- Performance: will vary due to featuring in acoustic systems.*
- Dimensions: 1200mm x 600mm x 50mm.
- Weight: 20kg
- For: homes and workplaces.
- Compliance: Compliant with Part E Building Regulations (England, Wales, Northern Ireland and the Republic of Ireland).*
- Installation: will vary depending on which system it features.
- Where: for all cavities found between floor joists, stud frame walls and ceilings. Also in conjunction with acoustic cradles such as MuteCradle™ 45/60mm.
Universally recognised throughout the world of soundproofing, commonly used as part of an acoustic system, or combined with additional acoustic materials such as our MuteClip®.
Knauf Acoustic Mineral Wool (RS60) (60kg per m3) is high-density acoustic mineral wool that is used to treat the open spaces, or cavities, between flooring joists, stud-frame walls and battened ceilings. As Acoustic Mineral Wool is a fibrous material, it helps to lessen sound energy by turning it into heat, helping to decrease the remaining noise 'bouncing' around inside the cavity and amplifying. As a standalone product, it is only effective against very light background noise issues. We recommend Knauf Acoustic Mineral Wool to be used as part of a system when a cavity is created or existing. Acoustic Mineral Wool will also help to prevent Flanking Transmission adjacent cavities. Any soundproofing system fitted without this material will not achieve its complete acoustic performance and may fall short of expectations or essential acoustic regulations.
Acoustic Mineral Wool has a greater density than thermal wool, and this is evident in their slab appearance. The reduction as an acoustic insulation material comes as an absorptive rating NRC (Noise Reduction Coefficient) which differs for each thickness. This means that it is an absorptive material as opposed to a dense soundproofing product. You will find all acoustic systems that Acoustic Mineral Wool is featured in by selecting the 'Systems' tab above. Here you will see how vital it is!
- A crucial component for all soundproofing systems with joists, battens, acoustic cradles or stud-frames.
- To be used in cavities to provide optimum soundproofing performance for all systems
- Slab dimensions 1200mm x 600mm x 50mm (9 per bale - 6.48m2)
- Other thicknesses include: 100mm, 75mm and 25mm
- Euroclass A1 fire rating
- Always leave an air gap to ensure full performance a minimum of 10mm
- A 3-5 day lead time can be expected with this product, please call ahead for availability
Knauf RS60 Pack Quantities
| 100mm | 75mm | 50mm | 25mm |
| 4 Slabs (2.88m2) | 6 Slabs (4.32m2) | 9 Slabs (6.48m2) | 18 Slabs (12.96m2) |
| Length | 1200 mm |
| Width | 600 mm |
| Height | 400 mm |
| Fire rating | Euroclass A1 |
The world of soundproofing and general construction presents an uncertain journey for those arriving fresh to the subject, there maybe terminology or use of acoustic testing figures that could appear confusing, and even if you are at a professional level, it is good to brush up to make sure you are making the right choice. We want to help you come to the right decision, so whether this is through the use of our guides or talking to a member of our team - we are here to help!
How to Soundproof a Wall or Ceiling
A combination of the following will always result in a much improved acoustic performance.
- Mass: the addition of more substantial materials to reduce sound energy, for example, added layers combined with soundproof Plasterboard.
- Separation: breaking contact with the surface or surfaces through the use of acoustic isolation clips or stud framing.
- Damping: the reduction of vibration through the use of flexible, damping materials such as Tecsound.
Acoustic Mineral Wool is your best friend when you are up against soundproofing that has cavities across walls, floors and ceiling. It has a low cost per square meter, incredibly easy to install and effective against a range of frequencies. The Knauf brand is well established and is used across commercial projects internationally, whether it is residential, commercial or industrial - using Knauf Acoustic Mineral Wool 60kg will help secure brilliant performance for your soundproofing project.
To create a soundproofing system that can reduce an extensive range of sounds and noises, you will need to combine all of the properties above. By separating the mass from the structure and suspending it away, you are breaking contact with the construction and creating an air gap, in this air gap must feature Acoustic Mineral Wool, as it is essential for reducing Flanking Transmission, and reducing any sound making it into the cavity. Low-frequency noises and vibration are not just created in areas with amplified music or machinery, but can arise from televisions attached to the wall, or the low-tone of a male voice and even closing a door. These noises typically travel greater distances than you'd think.
We recognise the subjective nature of sound and how we react to each one, and that is why we offer so many variances in our systems. We understand that it is not always possible to incorporate significant loss with a stud frame, so we provide different variances to suit what performance you need, your budget and available depth.
Learn more about what you need, and how to approach soundproofing floors walls and ceilings below.
Ready to see what options you have available? Select our 'Featured Systems' tab and on any system to learn more about each of their acoustic performances, overall system thickness and in what scenarios you can apply them to. You can then add all featured components to the cart in a press of a button!
Whatever your soundproofing project, come and speak to our team on 01937 588 226.
- Acoustic Mineral Wool is not listed as a toxic or hazardous material, but when installing it does release small dust particles, so we recommend the use of gloves, eye protection and protective mask.
- Measure the depth of the cavity first, or if you know the stud depth you are using, make sure that you choose a depth of Acoustic Mineral Wool that allows for a 10mm air gap on either side.
- The reason you leave this air gap is to avoid compressing the fibrous properties between the two partitions you are soundproofing, for example, do not use a 100mm depth in a 50mm gap.
- Acoustic Mineral Wool is easy to cut with large scissors, or we found a bread knife to be a great tool here.
- Cut the slab a little larger than the stud or joist gap to friction hold, or use a form of wiring to hold it in place.
This product is part of the following systems:
60kg is not its surface density, but the density of the product when measured in cubic meters, it is a fairly lightweight sound insulation material which is easy to cut and fit.
The 50mm depth is best used when treating stud frames, and between flooring joists to treat cavities, leaving them untreated can lead to the remaining sound passing through and 'bouncing around' in these areas. You will want to avoid using a thicker size than the air gap and aim to have at least a 10mm air gap on either side of the slab, for instance, using a 100mm thickness in a 50mm cavity will lead to compression of the acoustic mineral wool and a direct path of sound to travel through, degrading the effectiveness of any soundproofing system.
Acoustic Mineral Wool is used in almost all soundproofing systems that are installed with over a new or existing framework, or suspended by our MuteClip® System and MuteCradle™ Systems. In soundproofing, you use Acoustic Mineral Wool to treat the cavities found in between frameworks and flooring joists to reduce sound from reflective around inside them. It is vital to note that this is a lightweight, fibrous material and this means that sound will pass through it. It is not so effective in reducing airborne nor impact noise issues as a standalone product.
Acoustic Mineral Wool is fibrous, and this means that fibres can be released into the air when exposed, which is why you place them in cavities and not to use as an exposed sound absorption panelling. We offer a vast range of sound absorption materials where you can be as creative as you like, a variety of colours and 3D structures can all tailored to your space.
We have found that a bread knife usually makes for an excellent cutting tool if this is unavailable, a large pair of scissors will also work well.
The fibrous nature of the product can lend to slight irritation of the skin. Those with sensitive skin may find a slight redness appear while installing, the use of gloves and protective eyewear is recommended.
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