Author Topic: Floating a ceiling - stopping airborne noise  (Read 3300 times)

Steph

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Floating a ceiling - stopping airborne noise
« on: May 16, 2003, 10:37:18 PM »
I've seen a lot of posts saying that floating a ceiling will help stop impact noise from the flooring above. What about airborne noise from above? Does one have to add additional soundproofing such as Mass Loaded Vinyl inside the floated ceiling to stop airborne noise from traveling?

How would this work?

Boborther

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Re: Floating a ceiling - stopping airborne noise
« Reply #1 on: May 21, 2003, 07:44:06 PM »
Steph,

No the floated ceiling will block both impact noise as well as airborne noise. The theory is simply this, the RC-1 or the sound clips break the circuit from the floor joists above and the ceiling below. This deals with the impact noise and any ambient structure borne noise.
 Now the resilience of the new floated ceiling will be hit with airborne noise, and instead of the noise passing right through, like it would with a rigid ceiling, the sound wave will bounce back off the resilient wall, (kinda like a trampoline). Once you work a sound energy wave, it dissapates rapidly, and turns into a heat energy.
That is how a floated ceiling works on both impact noises and airborne sounds from above. It also applies to a floated wall.
Steph, I hope this has answered your question.



Bob Orther
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