Offices Nationwide

Good Hearing?
A typical person with good hearing can hear from about 20Hz to 20kHz (the audio bandwidth). A person's voice will usually range from 500Hz to 2kHz...more

Sound Insulation
Two parameters describe sound insulation; Dw and Rw. Dw is the insulation between rooms. Rw is the lab-tested insulation of a wall/floor...more
Our other services include:
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Duct Testing can also be known as:
Air Flow Rate Testing, Ventilation Testing Equipment, Part F Ventilation Certificate, Part F Fan Testing, Part F Testing, Ventilation Commissioning Certificate, Part F Ventilation Testing,
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Company No. 06728970