Acoustic Spray Plaster

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Price Enquiry

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Qspray is a seamless highly acoustical spray plaster based on recycled cellulose that can be applied in high layer thicknesses in a single layer.

  • Key features 
  • Excellent acoustical properties 
  • Water-based 
  • Quick application, very high layer thickness, reach: 5 – 25mm in a single process 
  • Colours: Light Grey, Eco dark Grey, Black & white 
  • Lightweight 
  • Gloss: matt

Applications Both new constructions and renovations, as long as the acoustic experience plays an important role. For instance: Community spaces, classrooms, restaurants, sports, auditoriums, car parks, offices, swimming pools, etc.

Fire-resistant class Classification: B s1 d0 according to EN 13501-1

Acoustics NRC of 0.65 at 25 mm. For higher values please contact us.

Application: The QBinder and QFiber will be applied with the help of a special cellulose fiber blower. For application details please contact us

Application areas

  • Offices
  • Airports
  • supermarkets
  • industrial areas
  • train stations


Substrate conditions:

  • Substrate needs to be clean, dry and free of dust; 
  • Remove lose parts; 
  • Completely close holes and cracks in substrate; 
  • Unevenness >3mm must be smoothened; 
  • Aluminum or plastic profiles need to be placed to end the spray work when it is not possible to end against a wall or window frame.

Blue Acoustic plaster spray

25 mm BoSpray_ test results

Sound Absorption

Sound absorption or noise deadening, is one of the key properties of Quietstone. This is because the structure of the material is designed to take in and absorb the sound energy. This unwanted sound is then lost or transmitted away thus ‘deadening’ the noise.

Quietstone Acoustic Products
Quietstone UK Ltd

Nab Quarry, Pott Shrigley, Macclesfield, Cheshire, SK10 5SD