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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

Reverberation Time
The reverberation time of a room is defined as the time it takes for sound to decay by 60 dB after an abrupt termination...more
Part E
Resistance of the Passage of Sound

Hadfield - Duct Testing - 0114 368 0192
The office that covers this area is: Sheffield
Phone Number: 0114 368 0192 Email: hadfield@e2consultants.co.uk
Our other services include:
Duct Testing can also be known as:
Part F Ventilation Certificate, Part F Ventilation Testing, Air Flow Rate Testing, Ventilation Testing Equipment, Part F Fan Testing, Ventilation Commissioning Certificate, Part F Testing,


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