Regupol Sonus 4515 Multi 4.5mm Impact Noise Reduction Acoustic Mat

The Regupol 4515 Multi 4.5mm (now named Regupol Sonus Multi 4.5mm) is the highest performing impact noise reduction matting in the 4515 range, which can be laid directly beneath carpet, laminate and ceramic tile flooring (alongside a suitable underlay where applicable).

Impact Rating

Rated at 19 dB


4.5 mm


Covers 18m2


34 kg


£11.93 /

inc VAT


£9.94 /

ex VAT
Actual Area (sq m) 18
Total Price £178.99

Bulk Discounts (rolls)

1 - 20 £178.99 ex VAT

21 - 30 £176.99 ex VAT

Buying more than 30 rolls?
Call us on 01484 411888 to see if we can offer you a further discount.

Please Note
The prices / discounts shown here are reflected in the basket not on this page.

Do you also need?

regubond-100 Regubond 100 £56.49 ex VAT View Product
perimeter-strip Karma Perimeter Strip 25m £10.99 ex VAT View Product

Product Description

Best Price Guaranteed! We guarantee the best price on Regupol 4515 Multi 4.5mm – if you find it cheaper, contact us and we’ll beat it!

Regupol 4515 Multi 4.5mm (now named Regupol Sonus Multi 4.5mm) is designed for new builds, refurbishments and bespoke architectural projects including residential commercial and education settings.

Which 4515 do I need?

Carpet Vinyl Laminate Tiles
Sonus Eco 3mm Yes* Yes, only with our Adhesive* Yes* Ceramic Tiles only.
Sonus Eco 4.5mm Yes* No Yes* Ceramic Tiles only.
Sonus Multi 3mm Yes Yes Yes Ceramic Tiles only.
Sonus Multi 4.5mm Yes No Yes Ceramic Tiles only.

*some colours may not be suitable.

It is a tough resilient acoustic underlay manufactured from PUR foam and cork granules and is ideally suited to all new build type constructions to comply with Part E 2003 and can be bonded to all types of floors.

Regupol Sonus 4515 Multi 4.5mm is compatible with all types of floor finishes including ceramic tiles sheet vinyl and vinyl tiles wood and laminates carpet and marmoleum/linoleum.


  • Independently tested under laboratory controlled conditions and on-site using UKAS accredited and ANC approved bodies respectively to show compliance with the new building regulations Approved Document E 2003. When used in acoustic floors under Part E of the Building Regulations and Robust Details is accepted by the NHBC.
  • Highly sustainable and completely recyclable.
  • Offers long term performance without collapse or “bottoming” out under high point loads.
  • Resistant to ageing and deformation.
  • Quick and easy to install. Simply bond to the subfloor beneath the final floor finish.
  • Reduces construction heights.
  • Suitable for both new build and refurbishments.
  • High quality and exact material thickness guaranteed.
  • Suitable for use with underfloor heating.
  • Very comfortable under foot.
  • Suitable for all floor finishes including ceramic/stone tiles.
  • Due to no rubber content Regupol® Sonus 4515 Multi does not cause plasticizer migration when used with certain adhesives and floor finishes such as vinyl linoleum and light coloured carpets.



This product has an Impact Noise Rating of 19dB, provided to us by the Manufacturer.

These figures aren’t a measure of the reduction that the product gives, but is the figure that you would get following a soundproofing test, on the same or a similar full floor set-up to the one used during testing (not just the product in isolation).

Please see the product specification for more details on how these figures were achieved.

Effective Reduction

This product will give you an impact reduction of 5dB, when used as a standalone solution (not taking into account the full floor system).

Results are recorded by implementing a 100dB volume in a first floor room, the dB volume is then recorded in the room below and then again when the product is in place. In this instance the impact dB volume in the room below prior to laying the product was 24dB and after laying the product, the impact dB volume in the room was recorded at 19dB. This means that the product gives an actual impact reduction of 10dB and rating of 19dB when used as part of a full floor system.

Who is this product for?

This product is used for the reduction of impact sound and is ideal to lay carpet (with underlay) and laminate directly on top of.

The Regupol 4515 Multi 4.5mm is a durable product, making it ideal for both domestic and commercial settings.

Technical Specification

Area 18m2
Dimensions 18m x 1m x 4.5mm
Thickness 4.5mm
Weight 34kg
Impact Noise Rating 19dB

The information given here may vary and is partly based on information from our suppliers. It represents the prevailing level of expertise and is not binding in a legal sense. The compliance of legal requirements lies within the customers own responsibility.

You can find all of the information shown here on one of our product data sheets which are in a PDF format. You can download this below.

Technical Data Sheet
Product Data Sheet


On average, this item takes 2 to 3 working days to be delivered to a UK Mainland address.

Our delivery rates are calculated on an order value basis. All standard deliveries are delivered by couriers (company variable) and can be received up to 3 to 5 working days from order (6 working days if you order after 12.30pm on a weekday).

All available delivery options for this item can be selected at the check-out and if you order before 12pm Monday to Friday, your order will be processed the same day.

Need it quickly?

This product is available on a next day service, when ordered before 12.30pm Mon – Fri.


You should never book fitters before you have received your goods, we cannot be held responsible for costs incurred by yourself as a result of delivery complications and/or delays.

Deliveries are palletised and heavy, therefore our delivery services are to kerb-side only – you will be responsible for moving the goods from the roadside to the property.

Shortly after placing your order, you will receive a delivery date confirmation email. This email will detail the day of delivery which can take place any time between 8am and 6pm. If you require a more accurate time slot, please contact us prior to ordering and we’ll do our best to assist you; this could be at an additional cost.

For full delivery details, including timescales and Terms & Conditions, please click here

Alternative Products