5512 5mm Regupol Acoustic Underlay


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Regupol 5512 is an impact sound acoustic underlay designed to isolate engineered timber, laminate or bamboo floors from the main structure of the building, reducing impact energy generated by general footfall.


WHOLESALE PRICE: Please contact us

* All prices are exclusive of GST

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Areas of application:   


Regupol 5512 attenuates impact sound at source - directly under the engineered timber, parquetry, laminate or bamboo flooring. Flooring is conveniently installed directly on top of the acoustic underlay.

The product composition produces a cost effective solution to sound isolate bonded screed beds in wet and dry areas.

Independently tested under laboratory controlled conditions and on-site testing to show it meets the Deemed-to-Satisfy Provisions of the current building regulations in accordance with the Building Code of Australia Part F5.4 sound Insulation Ratings of Floors (Impact).

  • Offers long term performance without collapse or bottoming out.

  • Available in rolls and modular tiles (new format) - supports fast installation.

  • Made in Germany from recycled material

  • PVC Free

  • Minimal creep, even under high loads.

  • Resistant to ageing and deformation.

  • Quick and easy to install.

  • Minimises construction heights.

  • High quality and exact material thicknesses.

  • Suitable for use with under floor heating.

  • Protects expansion joints.

  • Limits sound transference

  • Cushioning qualities make flooring comfortable underfoot

  • Proven durability

  • Manufactured and Certified to OHAS 18001:1999, DIN ISO 9001:2000, DIN ISO 14001:2004 Management Systems. 

Data sheet
Product descriptionPre-manufactured acoustic underlay made from selected SBR rubber and recycled materials, bound with polyurethane
Roll width1.25 metres
Roll length20 or 50 metres
Modular tile size1050 x 500mm
Material thickness5mm
Specific weight3.50kgs/m2
Thermal conductivity0.14 W/mK
Density700 kgs/m3
Tensile strength0.5 N/mm2 (DIN 53571, Specimen B)
Elongation at break48% (DIN 53571, Specimen B)
Temperature resistance-40˚C to +115˚C
Fire classificationB2 (DIN 4102)
NoticeData is based on periodical lab testing of test specimen taken from the actual manufacturing process and show the average values as measured. Slight tolerances within the common limits are possible.
Acoustic Performance

Acoustic Performance - Timber:


TEST: Gabba TTMLnT,w(C1)FllC
Bare Slab 150mm concrete73 (-11)29
Regupol 5512 5mm with 14mm Engineered Timber59 (0)=5948
Improvement∆L'nT,w 14∆FllC 19


Acoustic Performance - Bamboo:



Bare Slab 200mm concrete +suspended plaster board

61 (-8)39
Regupol 5512 5mm + Bamboo49 (1)57
Improvement∆L'nT,w 12∆Fllc 18


The Unit of Measurement Explained:

L'n,W - Weighted Normalised Impact Sound Pressure Level.

C1 - Correction factor which allows spectrum adaptation for impact sound level.


Engineered Timber:

Brochure 5512 5mm Regupol acoustic underlay for timber, laminate and bamboo



Acoustic-underlay-5512-5mm- parquetry-flooring

 T&G Timber:

Acoustic Underlay T&G Timber 5512 5mm


 Acoustic Underlay for Bamboo 5512 5mm


 Acoustic Underlay for Laminate Flooring 5512 5mm



Regupol underlay is used in most building constructions including:

  • Apartments

  • Schools

  • Offices

  • Hospitals

  • Libraries

  • Commercial Buildings

  • Multi-storey buildings

  • Private homes

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