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NRT Backing Layer

The best option to improve impact and footfall noise reduction Flooring

The inclusion of NRT products into the flooring systems not only increases the noise reduction but also answers to the requirements of the sustainable construction

The use of a NRT backing layer acts like the traditional underlay, preventing the transmission of mechanical energy through the slab. The perfect energy attenuation is provided by the engineered combination of cork and rubber, targeted to be underneath the MDF, laminate flooring or parquet.

  • Impact Noise Reduction

    The combination of natural materials into the flooring systems helps to dissipate the impact energy before it is transmitted through the building materials.

  • Long Term Resilient System

    These resilient materials for flooring systems increase the durability.



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Tecnhical Specifications

  Top Layers Inlay Underlay & Accessories
Concept Designed for Direct & Digital Printing Cork Layer between HDF and Top Layer Backing layer to improve acoustic performance
- NRT 93 NRT 94 NRT 95 NRT 96 NRT 61 NRT 62 NRT 63 NRT 85
Impact Noise Insulation (ΔLW (dB)) 20 22 21 21 20 21 19 21
Footfall Noise Reduction dB(A) 12 12 11,5 11,5 4,5 5 5,5 4,5
Sone (% versus reference floor) 57,2 57,2 54,2 54,2 22,4 23,5 25,1 22,4
Tensile Strength (Mpa) 1,3 1,3 1,3 1,3 - 1,1 1,1 -
Wood based    
Availability Rolls - Sheets - Panels
Width Minimum 100 mm - Maximum 2100 mm
Length Minimum 600 mm - Maximum 1000 linear meters
Thickness Minimum 0,8 mm - Maximum 8 mm

The data provided in this table represents typical values. This information is not intended to be used as a purchasing specification and does not imply suitability for use in a specific application. Failure to select the proper product may result in either equipments damage or personal injury. Please contact us regarding specific application recommendations. Amorim Cork Composites expressly disclaims all warranties, including any implied warranties or merchantability or of fitness for a particular purpose. Amorim Cork Composites is not liable for any indirect special, incidental, consequential, or punitive damages as a result of using the information listed in this table. Any of its material specification sheets, its products or any future use or re-use of them by any person or entity.

Other Solutions


NRT Top Layer

Design and Acoustic Performance

Read More

NRT Inlay

For perfect energy dissipation

Read More


Tiles to place between the floor surface and flooring

Read More

Where We Are


Headquarters Rua de Meladas,
260, 4535-186 Mozelos VFR Portugal

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