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MuteMat® OSF 750-03

Performance: Up to 19dB reduction for impact*

Dimensions: 1.3m x 20m x 3mm (26m2)

Weight: 60kg

For: Great and small scale residential and commercial projects looking for soundproof over screed.

Compliance: Compliant with both Part E Building Regulations (England, Wales, Northern Ireland and the Republic of Ireland).*

Installation: Please see the installation tab below.

Where: Floor application only, suitable for a wide range of floor finishes that include laminate, engineered wood and luxury vinyl tiles.

The thinnest over screed underlay specialised for concrete structures but can also be used in timber when thin solutions are required.

More Information

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MuteMat® OSF 750-03 for Part E Building Regulations Compliance

Achieving good levels of Sound Insulation to ensure you pass your sound test and achieve Part E compliance can seem a daunting task. We have put together a myriad of commonly used soundproofing wall and soundproofing floor solutions, with the simple aim of achieving passing your Part E sound test. We have selected a range of products which we have tested frequently and are confident in their onsite performance. So look no further your sound testing, acoustic design and product supplier is looking right at you.

MuteMat® OSF 750-03 is the highly effective and slimmest resilient layer available for managing the reduction of impact noise in over screed concrete constructions. Its recycled rubber-mix content is refined from over 14 tires for each roll, helping to reduce the impact on the planets ever-growing carbon footprint. It’s density, resulting in minimal compression is a key component to providing a robust flooring even when it is subjected to high loads, giving you a long lasting and effective solution that can receive a wide range of floor finishes, with no requirement for an overlay, this includes delicate flooring finishes such as ceramic tiling. If you are seeking soundproofing materials for Timber constructions or looking to achieve even greater impact reduction, we would recommend our MuteMat® 2 or MuteMat® 3 for reduction of both airborne and impact noises.


  • 1.3m x 20m x 3mm (26m2)
    Specialised for retrofit installation.
  • Suitable for concrete structures to effectively attenuate impact noise.
  • Can be installed under a wide range of floor finishes, with no requirement of an overlay.
  • A guaranteed consistent thickness and density.
  • Does not deform, maintains efficiency long term including under heavy loads.
    Pre-fabricated recycled tire granule mat.
  • 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 impact transmission.

When sound proofing timber sub-floors (this is a ply or MDF layer fixed to the joists) a compressible sound insulation material would is best used for the reduction of impact noise, MuteMat® OSF 750-03 would not offer soundproofing against footsteps, moving of furniture or household goods including washing machines and dishwashers in timber constructions because of its density – it’s properties make it perfect for use in concrete structures.

Take a look at MuteMat® 2 or MuteMat® 3 for floor soundproofing in timber structures.

When a Sound Test is being scheduled regarding Part E Building Regulations or Scottish Building Regulations, it is often required to bond materials to the flooring – you will want to confirm this with Building Control and your acoustic testing engineer.
Where laminate, engineered wood or tiling is to be installed, it is often difficult to find a soundproofing option that does not involve using additional overboarding such as ply of MDF to support them. MuteMat® OSF 750-03 can receive all these flooring options directly on top, you will need to use a Perimeter Edging Strip around the perimeter of each room to butt all floor layers against, negating stage will cause impact noise to transfer in to adjacent walls leading to Flanking Transmission. It’s acoustic performance with these floor finishes laid on top will still be high.
Luxury Vinyl Tiling is becoming increasingly popular due to its ease of maintenance, unlike wooden floor finishes and carpets, and are found requiring a suitable soundproofing option with minimal impact to increasing floor heights. MuteMat® OSF 750-03 can receive a wide range of these luxury vinyl tiling on top with only the need of adhesive to keep it bonded to the flooring, without any bonding this could lead to partial folding and tearing of the vinyl tiling.
Mute Mat™ OSF 750-03 is water, mould and fungal resistant, making it perfect for use soundproofing bathrooms and wetrooms, the benefits of being able to install almost any floor finish on top and not being subject to damage through moisture makes it ideal, especially for large residential and commercial projects, as well as being high performing to satisfy Part E Building Regulations in concrete structures.
MuteMat® OSF 750-03 is best cut with a fresh Stanley blade and a straight edge or metal ruler, always cut away from your body and behind the straight edge.

Installation Guide

MuteMat® OSF 750-03 requires a Perimeter Edging Band around the perimeter of the room to allow floor layers to adjoin to, helping to reduce the effect of Flanking, which can often be the cause of failures regarding Part E Building Regulations. You will also want to use a Blue Cloth Tape to tape the joins together.
Ceramic / Porcelain Tiles

MuteMat® OSF 750-03 to concrete/screed substrate, prime the substrate first with roller coat of ARDEX P82, allow to cure, then bond MuteMat® OSF 750-03 using either ARDEX S 28 or ARDEX X 7001 Mictrotec.

If bonding MuteMat® OSF 750-03 to a timber substrate, Ardex AF200 should be used.

When you come to lay the tiles, you should prime MuteMat® OSF 750-03 with ARDEX P82, then bed the tile into either ARDEX S28 or ARDEX X 7001 Microtec.

Flexi grout should be considered

Wooden Flooring Finish
F-Ball Styccobond B95 can be used to bond timber floor finishes to MuteMat® OSF 750-03
Luxury Vinyl Tile
F-Ball Styccobond F46 can be used to bond vinyl floor finishes to MuteMat® OSF 750-05


MuteMat® OSF 750-03 Product Data

MuteMat® OSF Install Guide

Sound insulation advice for Part E

Soundproofing Floors
Soundproofing Floors
Soundproofing Designs for Party Floors to achieve compliance with Part E of the Building Regulations.
Soundproofing Walls

Soundproofing Walls

Soundproofing Designs for Party Walls to achieve compliance with Part E of the Building Regulations.

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MuteMat® 3