Hush Underlay For Vinyl Flooring


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 concrete, screeded and timber 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.

General information


Easy to install

Remains continually elastic

Fully recycled

Minimal construction height

Suitable to be laid over concrete, screeded and timber floors

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Uniclass 2015

Pr_25_57_06_71 Resilient layer insulationPrimary


K21/10 Wood laminate flooring

K21/140 Battened wood laminate flooring

K21/145 Composite laminate flooring

K21/146 Laminate flooring

K21/20 Composite laminated flooring

Specification data - Resilient layer insulation

Product Reference

Hush Underlay For Vinyl Flooring


3 mm

2.05 kg/m².

4.5 mm

5 mm

3.62 kg/m².

Standard product features

Roll size (l x w):

20 x 1 m.


Black/ beige.

Surface finish:

Fine granulate.

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.
  • Impact sound reduction: 3 mm: 18 dB; 5 mm: 21 dB.


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