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The Decibel Scale
Gives an approx of human perception of loudness. This is because the human ear has a logarithmic response to changes in sound level...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
Coldeford - Part F Ventilation Certificate - 029 2193 0147
The office that covers this area is: Cardiff
Phone Number: 029 2193 0147 Email: coldeford@e2consultants.co.uk
Our other services include:
Part F Ventilation Certificate can also be known as:
Part F Fan Testing, Ventilation Testing Equipment, Ventilation Commissioning Certificate, Air Flow Rate Testing, Part F Ventilation Testing, Duct Testing, Part F Testing,


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