|| Soundproof: What I Need to Know
What does it mean to “soundproof”
To soundproof a room means to insulate it from noise, or in layman’s
terms, to prevent noise from entering or escaping a room. Soundproofing
is used in professional recording studios to make sure a recording
of music, dialog, or sound effects does not include any extraneous
noise from other parts of the building or street noise, and to make
sure the neighboring tenants are not disturbed. It has also become
common for people to soundproof their apartments and homes, due
to street noise, loud neighbors, shared walls and ceilings, or noisy
What do I need to soundproof a room in my
This is a tough question. There are many sites that will tell you
differently, but the key to remember is that it all depends on your
unique situation. For example, if you want to soundproof a room
on the top floor of your house so noise does not escape, you will
likely need to treat the walls and the floors, but not the ceiling.
However, if you want to soundproof that same room so noise does
not enter, you will have to treat the walls, floors, and the ceilings.
See? It all depends on what you need and what room you want to soundproof.
Don’t be fooled by anyone who tells you differently. There
is no magic formula that works for everyone and every structure.
You have to assess your individual needs and move forward accordingly.
Okay, I get that soundproofing is complicated.
Can you tell me about the basic materials I might need to soundproof
an existing room?
Sure. Again, the materials you’ll need will vary slightly
depending on what you are trying to accomplish and the existing
acoustics of the room. However, in most cases you will use sound-engineered
drywall or SED to soundproof the walls and ceilings of your room.
SED is like regular drywall that has been treated with a proprietary
soundproofing material and can be applied over existing drywall.
To soundproof floors, mass-loaded vinyl is frequently applied as
an extra layer between the existing floor and the final top layer.
Finally, a drywall adhesive is normally used to connect layers of
drywall and may have the ability to reduce impact noise.
There are likely materials you will need beyond the ones mentioned
above. Keep this in mind when planning your project and take your
time to get it right. The result will be worth it.
Sound Transmission Class
Soundproofing – USCS
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