Regupol Sonus 4515 Eco 4.5mm Impact Noise Reduction Acoustic Mat

The Regupol 4515 Eco 4.5mm (now named Regupol Sonus Eco 4.5mm) is a high performance impact noise reduction matting, which can be laid directly beneath carpet, luxury vinyl and laminate flooring types (alongside an underlay where applicable).

Impact Rating

Rated at 17 dB


4.5 mm


Covers 13.2m2


34 kg


£10.43 /m²

inc VAT


£8.69 /m²

ex VAT

Out of stock

Bulk Discounts (rolls)

1 - 20 £119.99 ex VAT

21 - 30 £119.49 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.

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Product Description

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

Regupol 4515 4.5mm (now named Regupol Sonus Eco 4.5mm) is a tough, resilient, low cost acoustic underlay that has been developed to reduce impact sound at source beneath a wide range of floor finishes, including wood, laminates and tiles.

Which 4515 do I need?

Carpet Vinyl Laminate Tiles
4515 Eco 3mm Yes* Yes, only with our Adhesive* Yes*  Ceramic Tiles only.
4515 Eco 4.5mm Yes* No Yes* Ceramic Tiles only.
4515 Multi 3mm Yes Yes Yes Ceramic Tiles only.
4515 Multi 4.5mm Yes No Yes Ceramic Tiles only.

*some colours may not be suitable.

Regupol Sonus 4515 4.5mm is an extremely durable, flexible and sustainable soundproof underlay manufactured from a combination of cork granules and rubber granulate – and delivers cost effective impact sound insulation and is ideal for all types of developments to comply with Part E 2003.

Regupol Sonus 4515 Economy 4.5mm can insulate beneath all types of wooden based floor finishes such as laminate hardwood and engineered board. For new builds refurbishments and bespoke architectural projects including residential, commercial and education settings – and retro DIY installation.

  • Regupol® Sonus 4515 Eco soundproof underlay has been independently tested by a UKAS accredited laboratory to show compliance with the new building regulations in accordance with Approved Document E 2003.
  • Standard thickness 3mm & 4.5mm.
  • Offers long term performance without collapse or “bottoming” out under highpoint loads.
  • Resistant to ageing and deformation.
  • Quick and easy to install – simply bond to the subfloor beneath the final floor finish.
  • Reduces construction heights.
  • High quality and exact material thickness guaranteed.
  • Suitable for use with under floor heating.
  • Very comfortable under foot.
  • Zero GWP (Global Warming Potential) and Zero ODP (Ozone Depletion Potential).



This product has an Impact Noise Rating of 17dB, 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.

Need Some Assistance?

If you need any assistance in understanding our product range, please don’t hesitate to call our customer service team on 01484 411888.

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.

Due to its durable nature, this product is great for use in both commercial and domestic settings.

Technical Specification

Area 13,80m2
Dimensions 13.2m x 1m x 4.5mm
Thickness 4.5mm
Weight 34kg
Impact Noise Rating 17dB

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

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