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Rock wool and fiberglass are great sound insulaters and anything that is rough is also good like spray on foam or carpeting. You install fiberglass or rock wool in your dry wall but that would having to tear it out or you could make holes on your wall and fill it with expandable foam. but the most non invasive choice is to just tack carpeting or a blanket on your wall. However the latter wont insulate as well as the former choices. Carpeting on the floor and ceiling would also help but spray on foam would probley be easier if you are doing the ceiling.

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14y ago
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11y ago

To stop sound passing from one place to another, one should use massive impermeable materials, such as lead or concrete or gypsum wallboard. These are known as sound barriers.

To prevent sound from bouncing round inside a space, then light-weight, porous materials should be used, such as fibreglass, foam plastics and similar. These are known as sound absorbers.

A good sound barrier will reduce the sound level between the spaces by 106, 60dB.

A good sound absorber will reduce the sound level in the space by 10dB, 10-1

Sound barriers and sound absorbers are very different materials, with very different applications.

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13y ago

-- brick

-- chambered styrofoam

-- carpet

-- drywall

-- fiberglass mat

-- earwax

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13y ago

concrete, something along those lines

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Q: What are some good sound insulators?
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