Offices Nationwide
Point of Reference
10 dBA is the sound level of normal human breathing. To put it into perspective, thunder is a whopping 120 dBA...more
Sound Intensity
Sound intensity's measured in Decibels (dB). An logarithmic scale where an increase of 10 dB gives an apparent doubling of loudness...more
Part E
Resistance of the Passage of Sound
Why are the new standards in Part E necessary? They are designed to improve modern living.
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Company No. 06728970
In Area C
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