Sound Proof Insulation Makes A Quiet Room

2007-04-12 11:34:06

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Perhaps, you want a place in your house where you can spend some moments away from your everyday activity, or you simply want a quiet reading space. If you live near a busy street, protecting your room from outside noise poses a great challenge. You can plant shrubbery and trees as they reduce the noise from the streets.

A system called sound transmission class (STC) rates the sound transmission of wall and ceiling construction. If you really want to have sound proof rooms you should aim for a 50 STC rate. At this rate, you can no longer hear any loud noise from a neighboring room. To help you achieve this rate, you should install sound proof insulation materials in your walls and ceiling.

As a general rule, you can get a better sound proof insulation if you have a massive wall. The reason is that a heavy wall makes it difficult for sound waves to pass through. However, if you don't have that kind of wall, you can still have a room with sound proof insulation by absorbing the sound. Installing more layers of porous materials like wallboard, fiberglass, soundboard and acoustical tile will increase your wall density. You may also have to use sound channels (resilient steel channels) as anchors of wallboards while absorbing vibrations at the same time.

Your effort in making sound proof rooms would go to waste if sound can come in from other sources. Thus, you should seal the openings in your windows, electrical outlets and doors, in addition to using soundproofing materials. Note that sound can invade a room even through a tiny passage since it travels through air. Make sure that the top and bottom part of the sound proof walls are completely sealed. You may need to install door sweeps so no air passes underneath the room's door.


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