Q:

How do you reduce floor noise?

A:

Quick Answer

Reduce floor noise by soundproofing the floor, according to Noise Help. The appropriate techniques to use depend on the type of noise problem, whether the noise travels from an upper floor to the room beneath it, or the noise enters a room through the floor from below.

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Full Answer

For noise that comes from the room above, Noise Help recommends laying a carpet with thick padding below it to reduce impact noise. Thicker padding reduces more noise and dissipates the impact energy before this energy enters the building structure in the form of sound.

Alternatively, add layers of flooring that include resilient underlayment, which causes a decoupling effect, and damping compound, which helps dissipate the sound energy. Some resilient underlayment materials are rubber, cork, fiber and foam.

If airborne noise is also a problem, select materials that provide more mass, as these serve as a third soundproofing element. However, this is not necessary for a significantly massive subfloor, such as a concrete slab.

For noise that comes from the room below, Noise Help suggests treating the ceiling of the story below. Soundproofing the floor above is another option to achieve noise isolation. You can also add mass and damping, without resilient underlayment, to reduce airborne noise. Make sure to address the noise problem as close to the source as possible.

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