Home > Companies > Hush Acoustics > Hush Over Screed Acoustic Membrane

Acoustic membrane consisting of a fine granulate of recycled rubber with a cork and PU elastomer bonding agent. It is a resilient layer suitable for use under most floor finishes and has been developed for use in many market sectors, including residential, industrial, educational, healthcare and leisure.


  • Easy to install.
  • Remains continually elastic.
  • Fully recycled.
  • Minimal construction height.
  • Suitable to be laid over both concrete and screeded floors.
  • Can be used with under floor heating.
  • Excellent thermal properties and footfall noise reduction.
  • Can be used in refurbishment and new build developments.
  • Can be used as part of a Code For Sustainable Homes compliant development.
  • Building Regulations Approved Document E (E&W), Technical Handbook Section 5 (Scotland) and Technical Handbook G (Northern Ireland) compliant.
  • Can be used as an alternative product for Robust Details specifications.

Suitable coverings:

Ceramic tile, sheet vinyl, stone floors, laminate, wood floors, parquet, carpet, flotex and marble floors.

Related literature

The following content references this product:

Standard product features

Roll size (l x w):

20 x 1 m.


Black/ beige.

Surface finish:

Fine granulate.

Acoustic performance:

  • Impact (Lntw): 47 dB.
  • Airborne (Dntw): 57 dB.
  • Airborne (Dntw +Ctr): 50 dB.

Technical properties:

  • Tensile strength (to DIN 53571): 0.6 N/mm².
  • Elongation at break (to DIN 53571): 3 mm: 50%; 5 mm: 60%.
  • Density (approximate): 390 kg/m³.
  • Service temperature: -30 to +80°C.
  • Flammability rating: B2.

NBS Specification

NBS Create logo
This product is associated with the following NBS Create clause:
45-45-70/437 Resilient layer insulation

Product specification

An important note about specifying



Hush Acoustics


+44 (0)151 933 2026

Product reference

Hush Over Screed Acoustic Membrane


[3 mm]
2.05 kg/m².
[4.5 mm]
[5 mm]
3.62 kg/m².

Manufacturer details

44 Canal Street,
Merseyside, L20 8QU
Tel +44 (0)151 933 2026
Fax +44 (0)151 944 1146
NBS Plus