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Under-Screed Acoustic Underlay

Certain floor constructions such as warehouses, shopping centres, hospitals and airports etc, need to withstand extreme loads while also providing good sound insulation. Regupol® and Regufoam® acoustic underlays for screed floors meet the divergent requirements of these flooring systems.  Constant area loads of of 25, 30 and 50 kN/m² are possible when Regupol® or Regufoam® screed insulation is deployed. The under-screed acoustic underlay has a compressibility in accordance with DIN EN 12431 i.e., c ≤1.0 mm or  ≤ 2.0 mm. Regupol® and Regufoam® sound insulation mats return very close to their original thickness.

ABS West supplies acoustic products with the best performance in the field of sound insulation under high loads. In addition to superior performance, Regupol® and Regufoam® acoustic products offer great dimensional stability under static and dynamic loads with the added benefit of great durability.

Installation images:



Regupol-sound-12Regupol® sound is a compound material made of  rubber fibres and polyurethane, and three versions of it were developed as heavy-duty sound insulation to be installed under cement screed.  




Regufoam® sound was also developed as an impact sound insulation sheet to be installed under cement screed. The material has the highest impact sound reduction of all materials offered by ABS West for this purpose. Regufoam® sound is a mixed-cell polyurethane foam.


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DIN 4109 defines the requirements for noise protection in building construction.  In addition to protection against airborne noise, installation noise, noise of the building service systems, noise of companies and external noise, it also provides guidelines for protection against impact noise. The standard therefore defines the minimum requirements for protecting people in common rooms from unacceptable interference.  DIN 4109 further regulates the method for proving the noise protection required.