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  • Curtains Wrap up Sound Problem
    ASTM-E84 Class 1 regulations. Bertieri states, "the owner next door is now happy, our office staff is productive and no one has to shout at each other or people on the phone. Plus at the rate we are growing if we have to expand into another building we can take the curtains with us because the noise
  • Acoustiblok Wallcover Sound Deadening Material for Existing Walls
    (which represents over 60% reduction in noise to the human ear) however your results will be less depending on the degrees of “flanking” in your structure as explained previously. Smoke/Flame Spread: (independent certified lab tests available on request). -ASTM E-84 (tunnel test method). Smoke Developed