Gramm Barriers CLADSoundBlok® panels are made from up-cycled polymer blends called PC-ABS (Polycarbonate-Acrylonitrile-Butadiene-Styrene)

The innovative and surprisingly strong pyramidal shape (500mm x 500mm) allows contractors to create an aesthetically pleasing sound-absorber on almost any wall or ceiling.


The panel is low-carbon with a great UV resistance and colorful design with phenomenal sound absorbing properties.

The sound absorbing interior of the CLADSoundBlok panel has 3 varieties based on upcycled polyester wool coming from recycled plastic bottles (PET). It is therefore very sustainable, hydrophobic, 100% corrosion proof and achieving without any effort an A5 noise reduction rate.

The front of the panel, directed at the noise source, is perforated for 35%, allowing an effective noise absorption. The CLADSoundBlok panels come with anodized aluminum profiles which facilitate an easy installation process on almost any structure.


  • Absorption levels: Dla 12-19 dB, DLRI 9-11dB
  • Height: without limit (Bespoke Heights available on request)
  • Lengths: without limit (Bespoke Lengths available on request)
  • Material shell: PC-ABS (upcycled plastics)
  • Material wool: PET (upcycled plastics)
  • UV-resistant
  • Mechanical strength: 15kN/m2 (2mx2m)
  • Weight: 3 kg/panel, 12kg/m2 ,

Fixing methods

a) Fixing is very simple and rapid to aluminium profiles fitted to existing concrete wall or structure

Why Choose Gramm Barrier Systems?

Gramm Barrier Systems are one of the only noise barrier specialist in the country give a 30 year guarantee on all our Acoustic Fencing, Acoustic Barriers & Noise Barriers. We also confirm that the barriers are designed to be maintenance free for the full 30 years.

Some of our noise barrier range is fully CE Marked and compliant for use on Highways England schemes under CPR 2013. Also schemes using Sector Scheme 2C, for the supply and installation of Environmental Barriers

All ours materials and installations are to such a high standard we are the only noise barrier specialists to have all our works backed and insured by the government.

Gramm Barriers Noise Barrier systems give the highest level of sound reduction on the market which is why our product’s are specified on many major road and rail schemes.

Gramm Barrier Systems Ltd are fully committed to the highest level of customer service, professionalism and health & safety for every installation. Utilising quality materials in manufacturing, the highest level of expertise, Gramm aim to maintain a quality product that is secure and reliable.

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Speak to one of our experts to obtain a free quote on

08442 259002 / 01323 872243

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