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underscreed acoustic system

HD1047: Hush System BB under screed sound Insulation

Suitable for:

  • domestic
  • residential
  • industrial
  • education
  • healthcare
  • leisure

Hush Under Screed Acoustic Membrane has been designed to isolate a screed from the structure to comply with UK Building Regulations.

The Hush Under Screed Membrane consists of a fine granulate of recycled rubber with a cork and PU elastomer. Combining minimum build height with permanent resilience, it is suitable for numerous applications including residential, industrial, educational, healthcare and the leisure sector, with performance meeting the criteria of all UK Building Regulations, including Approved Document E Similarly versatile is the Hush Over Screed Membrane which has been designed to isolate a screed from the structure – also in line with all UK Building Regulations.

  • Install the Hush MF Ceiling to the underside of the beam and block construction.Ensure a 150mm void is created from the underside of the beam and block to the back of the plasterboard lining.
  • Install the Hush Slab 100 Sound Absorber within the Hush MF Ceiling System.Install a double layer of 12.5mm Soundbloc Plasterboard to the underside of the Hush MF Ceiling System.


This system is specifically designed for beam and block floor stuctures

For advice on the use of HD1047: Hush System BB under screed sound Insulation, as part of a system within any project, please contact our experienced technical team on 0151 933 2026 who will be happy to give comprehensive and practical advice to meet with your requirements.

Acoustic Performance - Typical Results*

Impact lntw dB Airborne dntw dB ctr dB
48 51 49

Test Data

Test data for field tests in compliance with Building Regulations Approved Document E can be supplied upon request.

Full fitting instructions are supplied with all products and are available to download from the Installation Guides section.

Should you have any technical questions prior to or during installation, please call 0151 933 2026 for friendly and straightforward advice.

Request a FREE CPD presentation.

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