• PhoneStar Tri


    Reduce sound transmission and improve acoustic performance for walls, floors, and ceilings.


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    • Acoustic sound proofing board
    • A sustainable and natural product made from cardboard and sand
    • Engineered for sound insulation
    • Significantly reduces airborne and impact sound
    • Quick and easy to install 
    • Only 15mm thick

    Delivery available to your nearest freight depot. 



    Product information
    Product code AC-PSTR-15
    Size (l x w) 1200mm x 800mm
    Thickness 15mm
    Weight/sqm 18kg
    Technical information
    Impact sound insulation up to ΔLw = 22dB
    Airborne sound insulation up to Rw = 38 dB
    Reaction to fire E
    thermal conductivity 0.17 W/(mK)
    scope of application Interior

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