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<p>reducing the transfer of vibration.</p>

<p><big> Walls </big></p>
<p>Barring an airtight vacuum, mass is the only way to stop sound. Mass refers to drywall, plywood, or concrete. MLV is used to dampen or weaken sound waves between layers of mass. Use of a viscoelastic damping compound or MLV converts sound waves into heat, weakening the waves before they reach the next layer of mass. It is important to use multiple layers of mass, in different widths and densities, to optimize any given soundproofing treatment. Installing soundproof drywall is recommended</p><p>
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