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6mm Soundproof Floor Underlay

6mm Soundproof Laminate Floor Underlay

The mat is a highly effective and inexpensive method of reducing impact sound underneath laminate or engineered wood floors. It performs much better in field tests than competing sponge products available on the market. An added benefit is it is much less springy than most alternatives meaning that the floor will still retain a firm feel.

The underlay is a very versatile product which can used with a number of overlays, it is excellent at reducing impact sound while maintaining a firm non-spongy feel to the floor - this spongy feel is a frequent complaint amongst users of other rubber mat treatments. It is our view that the decibel rating quoted by many thinner 3mm underlays is dramatically overstated and their performance is significantly inferior to the mat when tested in real world situations (as opposed to lab test conditions).

Improving airborne sound transmission as well

When used in conjunction with our Tecsound 50 or Tecsound 70 acoustic membrane the combination can provide a very meaningful improvement in airborne and impact sound for newly laid laminate and engineered floors. The Tecsound 70 is a 3.5mm mat as opposed to the 2.6mm Tecsound 50. The extra mass of the Tecsound 70 should add around 4 dB more acoustic protection in comparison to the Tecsound . Customers wishing for further airborne soundproofing can also add acoustic mineral wool beneath the floors boards. Remember that with all underlay rubber mats the improvement quoted is only an impact sound improvement and that they will have very little airborne sound reduction qualities.

Product Application

The mat is a high quality and cost effective method of reducing impact sound beneath laminates and structural engineered floors. It can also be used as a method of improving the impact qualities of any carpeted floor acting as an impact resisting layer to go under existing carpet underlay. This versatile product can also be laid under screed to isolate a cement sub floor, so reducing the impact sound associated with solid cement floors.

We are regularly asked by householders about replacing carpet with laminates in their properties. The question is often whether the use of the mat underneath laminates will "be as good as carpet" as often specified in building leases. There is no simple answer to this, as the quality of the original carpet, its underlay and sub-floor all have a bearing on how the original carpeted floor is performing. Some carpets will perform well, and others badly from an impact sound perspective. Where a poor carpet is in place, the matt and laminate might out perform the existing carpet. The mat truly transforms the acoustic qualities of a laminate floor and improves internal room acoustics as well.

The key difference between this and many other mats on the market is its relative firmness. This means that it is ideal to go under products such as laminates or engineered floors without creating too spongy a feel. It is also very cost effective compared to many other impact mats on offer. It remains the number one choice for those laying laminate floor but wishing to deaden the impact sound they are generating to neighbours below.

In applications where it is laid under laminate floors it also improves the internal room acoustics, softening the general noise levels generated in the room. For this reason it is one of our top sellers as a superior laminate underlay.

If you are also looking to improve the airborne (TV and talking) soundproofing between rooms, (say between two flats) then adding a layer of Tecsound 50 or Tecsound70 is an excellent choice.

NOTE: where noise from below is your problem you should be concentrating on getting the maximum arirborne uplift you can. Rubber mats vastly improve impact sound reduction ( benefitting downstairs neighbours) they are not as good at reducing the sound coming up, hence our recommendation for Tecsound).

Instructions for use

This is a very simple product to fit. Simply cut to size of the room, where possible avoiding gaps and spaces. The new laminate engineered floor is simply laid over the floor and fitted as normal. If laying this type of floor there is no need to add any further type of underlay. The mat is not normally glued to the sub floor, as it lies in place under its own weight. Where the need to glue is specified then isobond adhesive can be used or any other water based acrylic glue. Please note that solvent based adhesives should not be used.

Where it is being laid under carpet a carpet underlay should also be added (for comfort)

The mat can be turned up at the perimeter of the room if required to act as an integral flanking band and excess trimmed off. This is normally only necessary where a chipboard floor is being laid over and high traffic is expected.

The mat has very little thermal resistance so underfloor heating can be present in contact with it either above or below.

Best practice when using underfloor heating is to have a layer of PIR insulation, such as Celotex, at least 20mm thick, then overlaying it with the mat and then the underfloor heating. This will reduce any heat loss downwards.


Key Points:

  • High performance laminate floor soundproof underlay
  • Easy and quick to fit
  • Very cost effective solution, superior to foam equivalents in terms of both performance and feel
  • Delivered to your door within 48 hours

6mm Rubber mat

6mm Rubber mat


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6mm Acoustic Mat Sound Insulation performance table

Floor Depth Gain Total system Performance airborne Typical Airborne Improvement Typical Impact Improvement
6mm Acoustic Mat 6mm 39 dB 3 dB 23 dB
6mm Acoustic Mat Tecsound 50 Upgrade 8mm 49dB 10dB 24 dB
6mm Acoustic Mat Tecsound 70 Upgrade 9.5mm 51dB 12dB 25 dB
6mm Acoustic Mat Tecsound 100 Upgrade 11mm 52dB 13dB 26 dB
Please note that the figures stated assume 200mm timber joist at 400mm centres. The underlying ceiling being a single 12.5mm plasterboard with loose laid floorboards on the top side and no mineral wool between the joists.

Compare all our floor solutions here.

*Please note figures stated for total system are based on a a timber joist ceiling floor construction with 200mm joist. The figures are Lab figures and are Ctr corrected. So are not comparable to regulation E Systems. The improvement figures state improvement over a regular timber floor and plasterboard ceiling.

Solution Reviews

Good product

Soundstop asked us to provide a review of this product. We are a firm that installs a great deal of engineered and wood floors. We use this product now regularly as it provides good performance without introducing spring into the flooring surface. The product is very robust unlike many of the foil back materials on the market which squeez down to nothing when you pinch them between thumb and finger. Our fitters are happy to use the product and it is easy to work with.
Reviewed by:
Browns Laminates
20th Apr 2017

Impact and airbone sound reduced

I installed the 6mm mat and the Tecsound 70 product as I was interested in reducing impact and airborne sound. Both products were easy to install. The impact sound resutcion is very good as I replaced the thin underlay that was provided with my floor. We are happy with the airborne sound redcution as well we chose the tecsound 70 product. A word of warning both are very heavy to lift up two flights of stairs!
Reviewed by:
15th Feb 2018