Sound Blocking/Barrier products typically
involve mass. These products help block noise from traveling
from one area to another. Sound Blocker/Barrier Products
carry a comparative STC number that reflects the approximate
Dba reduction with use of that product.
Remember
- anything water can pass through - sound could pass through.
These products can be of use in Industrial settings where
sound transmission to other areas is a problem. The use
of composite materials that have a layer of Barrier material
with the addition of at least one layer of absorption
material is also a nice solution that can block and absorb.
Another Problem area is containing equipment/machine noise
with use of hard or soft partial or full enclosures. Products
are also available to block sound where floor-to-floor
sound transmission is a problem in these areas.
Sound absorption products are a very important element
in Industrial Sound Control. These areas are typically
quite large thus reverberant and need to have special
attention paid to absorbing the reflection off hard
surfaces.
To
increase speech intelligibility and perceived noise reduction,
sound absorption products make for a more pleasant and
safer work environment. Absorbing products are typically
porous products that help knock down reverberation off
hard surfaces. These products carry an NRC number that
is a comparative number telling what percentage of reflection
is absorbed at certain frequencies. it is best to choose
a product that has a good NRC at your offending frequency.
