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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
Part E
Resistance of the Passage of Sound

Boldon - Duct Testing - 0191 633 0103
The office that covers this area is: Newcastle
Phone Number: 0191 633 0103 Email: boldon@e2consultants.co.uk
Our other services include:
Duct Testing can also be known as:
Air Flow Rate Testing, Part F Ventilation Certificate, Ventilation Testing Equipment, Part F Fan Testing, Part F Testing, Ventilation Commissioning Certificate, Part F Ventilation Testing,


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