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As a
service to those doing their own analysis, noise control planning and
soundproofing, we've prepared this list of "Don't"'s. We can't
explore every aspect of doing a soundproofing job, but avoiding certain
materials and processes can save you lots of time and money. Don't
waste time and money on ineffectiveness. If you have a lot of
time and wish to experiment, please do so! (and let us know how it
comes out!). Many people have made the errors mentioned here and
some have been kind enough to pass them on to us for inclusion.
Some common
materials to avoid are:
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common
"Eggcrate" cardboard egg holders. You have no
idea the number of people who tell us their trials and tribulations to
find quantities of it, buy it and install it only to find it does
little or no soundproofing! This appears to be because it is frequency
"holy". That is, it has characteristics where sound at certain
frequencies passes freely through it! Some have told us that
some sound transmission appears to be somewhat enhanced!
-
rubber
floor mat. One would think a rubber material would be a good
sound proofing agent and perhaps it is if properly used, but simply laying it
on the floor will do little against noise coming in (or going out).
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old
mattresses nailed to the walls. This technique has it's
followers, but unless butted well together with no spaces, caulked
edges, and only if you are willing to put up with the possible odor,
mold and moisture they have or can accumulate, not to mention unwanted
rodent critter type "guests" that may take up residence - are they a
possibility.
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carpet - Old or New.
Doesn't make much difference, it will all deteriorate and begin to
stink. The newer will take longer, that's all. Same problems as with
the Mattress as explained above. Carpet WILL increase the acoustic
absorbency of a room, but do little in the way of soundproofing.
-
plywood panels are not good
for soundproofing as wood transfers sound very well.
-
Now, our favorite -
fiberglass insulation:
makes for a poor thermal insulator compared to spray foam insulation
and it is not a good acoustical
insulator as well. Read how fiberglass insulation is hyped, but don't believe it!
Contact an All Tech Industries engineer today
(989-826-9999)
for a deeper discussion about your specific acoustic requirements.
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