• Regupol 4515 multi Acoustic Underlay
  • Regupol 4515 Multi Acoustic Underlay Corner
  • Regupol 4515 Multi Edge Detail

Regupol 4515 Multi Acoustic Underlay

Now known as REGUPOL sonus multi

Regupol acoustic flooring materials have been used successfully in such high-profile and diverse projects as The Shard and the Sterling-prize winning Everyman Theatre, the exclusive Four Seasons Hotel and the Royal Shakespeare Theatre, as well as Waitrose and Sainsbury’s supermarkets. To find out how Regupol will work for your project, call 01925 577711.

Regupol® 4515 Multi (REGUPOL sonus multi) 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® 4515 Multi (REGUPOL sonus multi) acoustic underlay is compatible with all types of floor finishes including ceramic tiles sheet vinyl and vinyl tiles wood and laminates carpet and marmoleum/linoleum.

Download Our Technical Data Sheet REGUPOL sonus multi 2Download Our Technical Data Sheet REGUPOL sonus multi 3Download Our Technical Data Sheet REGUPOL sonus multi 4.5


  • 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 in accordance with 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 under floor heating.
  • Very comfortable under foot.
  • Suitable for all floor finishes including ceramic/stone tiles.
  • Due to no rubber content Regupol® 4515 Multi (REGUPOL sonus multi) acoustic underlay does not cause plasticizer migration when used with certain adhesives and floor finishes such as vinyl linoleum and light coloured carpets.


Regupol® 4515 Multi (REGUPOL sonus multi) acoustic underlay is ideally suited to a wide range of floors and floor finishes.

With Regupol® 4515 Multi (REGUPOL sonus multi) acoustic underlay laid on all floor types, all constructions pass the performance requirements as quoted in ADE 2003. We are happy to supply further information and independent test certificates on actual performance figures, please contact us direct.

*Diagrams for example purposes only


Roll Width
Roll Length
Non standard lengths available on request

Regupol® 4515 Multi (REGUPOL sonus multi) acoustic underlay conforms to the following specifications:

Tensile strength
(DIN 53571)
Elongation at break (DIN 53571)
Thermal conductivity
Caloric conductivity
Building class
Thermal resistance (DIN 52612)
Approx. 0.9 N/mm2 (4.5mm material)
Approx. 25%
Approx. 0.12 W/mk
1/λ = 0.049 K/W
Impact sound insulation ΔLw (measured in accordance with BS EN 140-8:1998)
18dB Regupol® 4515 Multi (REGUPOL sonus multi) acoustic underlay on its own
34dB Regupol® 4515 Multi (REGUPOL sonus multi) acoustic underlay beneath carpet
22dB Regupol® 4515 Multi (REGUPOL sonus multi) acoustic underlay beneath flotex
18dB Regupol® 4515 Multi (REGUPOL sonus multi) acoustic underlay beneath marmoleum/linoleum
19dB: Regupol® 4515 Multi (REGUPOL sonus multi) acoustic underlay beneath ceramic tiles
18dB: Regupol® 4515 Multi (REGUPOL sonus multi) acoustic underlay beneath vinyl flooring
Up to 20dB: Regupol® 4515 Multi (REGUPOL sonus multi) acoustic underlay beneath vinyl LVT


Regupol® 4515 Multi (REGUPOL sonus multi) acoustic underlay can be used over a range of subfloors and with a variety of floor finishes applied such as:

  • Ceramic Tile
  • Wood & Laminate
  • PVC Flooring
  • Carpet
  • Marmoleum/Linoleum
  • Vinyl


CMS Bond 100 High Performance Acoustic Sealant for Use with Regupol® 3912 (REGUPOL sonus 3912) Acoustic Underlayment

CMS Bond 100 is a solvent free low VOC high performance water based acrylic dispersion with very good bond strength. It is suitable for plasticized vinyl floor coverings (including PVC tiles) together with high density foam backed carpets.


CMS Bond 100 is distributed in the UK by CMS Danskin Acoustics. The adhesive manufacturer will guarantee the performance and quality of products against manufacturing defects provided they are used in accordance with our relevant Technical Data Sheets at the time of installation and the appropriate sub floor preparation has been undertaken in accordance with the relevant British Standards.

Floor covering manufacturers are constantly introducing new backings and improving their current products. Certain backings may have unique characteristics which may influence the choice of adhesive used. Whilst every effort has been made to ensure the information is correct at the time of publication it is the responsibility of the user to ensure that the product is suitable for the particular installation.
If there is any doubt as to the use of our adhesives the installer should contact CMS Danskin Acoustics for advice or carry out their own tests to ensure compatibility.

Important steps before you lay CMS Bond 100 – Surface Preparation

Suitable sub-flooring substrates include concrete, flooring grade hardboard, plywood, chipboard, sand/cement screed, proprietary good quality self-smoothing underlayments. Asphalt and surface membranes should be treated with at least a 3mm coating of the latter before applying the adhesive.

Site conditions should comply with the latest British Standards editions: BS 8102 (Code of Practice for protection against moisture from the ground), BS 8203 (Code of Practice for installation of resilient floor coverings), BS 5325 (Code of Practice for installation of textile floor coverings), BS 8204 part 1 (Code of Practice for installation of self levelling screeding compounds), and supplementary specifications.

Surfaces must be level, firm and clean, free of loose material, mould, oil, grease, organic growth and surface moisture (under 75% RH).

Uneven, dusty or friable surfaces should be treated with the appropriate universal primer and screed.*

It is essential that suitable damp proof membranes be in place to prevent rising damp.*

Under floor heating should be turned off for at least 48 hours prior to and after application.

Particular attention must be paid to the floor covering manufacturer’s instructions. i.e. any pre storage conditions prior to fitting.

*Please contact CMS Danskin for further information.


CMS Bond 100 is a ready to use versatile product and should not be diluted or adulterated in any way.


Use a notched trowel of dimensions 1.5mm x 5mm or as CFA guidelines.

Heavy textured floor coverings may require a larger towel.

Apply adhesive evenly to the substrate and depending on the substrates lay the floor covering while still wet. It is best to allow the freshly applied adhesive to stand for 15-45 minutes depending on the ambient conditions, to build tack before embedding the floor covering.

Press firmly into place and rill using a 60/70Kg roller or glider depending on material used. Roll again approximately 1 hour after application.

Wait at least 24 hours before welding vinyl seams.

Removal of adhesive from tools

Clean tools with water if adhesive is still wet or use white spirits if it has dried.

Product Specification
ColourOff White
ConsistencyTrowelable Mastic
Open Time15 minutes plus depending on site conditions: Temp, humid & surfaces to be treated
Specific Gravity1.2
Shelf Life12 months if stored between 5-30°C in a dry area, in original unopened containers.
Protect from frost.
Product Technical Information
CuringHigh humidity, a low temperature and poor ventilation will retard the drying speed
Coverage3m2/kg depending on the porosity of the substrate and thickness of the adhesive film.

Adhesive and DPM

REGUPOL adhesive 46-101 Acoustic Adhesive


REGUPOL adhesive 46-101 represents the very latest development in Hybrid Polymer technology and has been formulated to give the highest levels of performance in terms of bond strength, versatility across many combinations of materials, improved acoustic performance in acoustic installations, resistance to stresses, fast curing speed and ease and cleanliness of use.

Download Our Technical Data Sheet

REGUPOL adhesive 43-105 Acrylic Adhesive for Vinyl and Linoleum


REGUPOL adhesive 43-105 is a solvent free acrylic emulsion-based adhesive, for bonding many sound insulation materials to common sub-floors and many floor finishes to the insulation. This easy to spread adhesive, with a long open time, provides early tack and minimum slip, quickly building to a strong permanent bond. It is non-staining and has excellent resistance to plasticiser migration.

Download Our Technical Data Sheet

More Regupol Products

Regupol 3912

Now known as REGUPOL sonus 3912

Regupol 3912 resilient layer
Regupol 3912 (REGUPOL sonus 3912) 6mm acoustic underlay for timber floors and refurbishments.

Regupol® 7210C

Now known as REGUPOL sonus core 5

Regupol 7210c Acoustic Under Screed Material
Regupol® 7210C (REGUPOL sonus core 5) Acoustic Resilient Layer is a cost-effective rubber bound product manufactured from recycled materials.

Regupol 4515 Eco

Now known as REGUPOL sonus eco

Regupol 4515 Eco Resilient Underlay
Regupol 4515 Eco (REGUPOL sonus eco) 3-4.5mm acoustic underlay for concrete floors.

Regupol High-Impact Mat

Regupol High Impact Mat

Regupol High-Impact Mat 4-12mm non-slip final floor finish for heavy footfall areas.

Regupol® 6010BA

Now known as REGUPOL sonus curve 17

Regupol 6010BA Acoustic Underscreed Material
Regupol 6010BA (sonus curve 17) 10mm underscreed with 50KN/m2 load-bearing capacity.

Regupol 6010SH

Now known as REGUPOL sonus core 10-S and REGUPOL sonus core 15-S

Regupol 6010SH Under Screed Sound Insulation
Regupol 6010SH (REGUPOL sonus core 10-S and REGUPOL sonus core 15-S) 10-15mm underscreed with 100KN/m2 load-bearing capacity.

Regupol E48

Now known as REGUPOL sonus curve 8

Regupol E48 Robust Detail Underscreed
Regupol E48 (REGUPOL sonus curve 8) 8mm underscreed. Robust Detail for Beam & Block floor E-FC-6.

Regupol Quietlay

Now known as REGUPOL sonus quietlay

Regupol Quietlay Robust Detail E-FC-15
Regupol Quietlay (REGUPOL sonus quietlay) 5mm underscreed. Robust Detail for pre-cast concrete plank E-FC-15.

Case Studies

Four Seasons Hotel

Find out more about the challenge, the solution and the result.