Guaranteed,
at least 50% noise reduction.
We only accept your order for acoustic control after testing to
be sure we can reduce noise by at least 50%. Usually the results
are far greater than this - depending on your wall materials, ceiling
insulation, home orientation, type and frequency range of noise
you need to reduce.
Call for a free acoustic assessment. Laboratory
Proven levels of Quiet
This graph of CSIRO results shows the sound absorbing power of
CertainTeed double glazed windows.
Loudness has been cut by 75% and more.
CSIRO
Test No. TLW317
Click for
enlarged graph >>
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CSIRO acoustic
test - Standard Transmission Class rating of 36. With heavy gas
added to the hermetically sealed cavity, STC rating at up to 41.
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In
extremely noisy locations, we supply extra thick attenuating
panes to baffle the widest possible range of sound. |
Acoustic
Rating Options STC 29 to 36 or up to 41 with our secondary system.
Renovating?
See Noise Reduction
Replace or retrofit? >>
Need
more detail?
For comprehensive criteria on your choice of noise reduction options,
phone or email for our detailed literature.
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