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Sound Transmissions
Paths can be interrupted by insulation and blocking air paths. A material's insulation is governed by mass, stiffening and damping...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
Defford - Ventilation Commissioning Certificate - 0121 381 0129
The office that covers this area is: Birmingham
Phone Number: 0121 381 0129 Email: defford@e2consultants.co.uk
Our other services include:
Ventilation Commissioning Certificate can also be known as:
Part F Ventilation Testing, Ventilation Testing Equipment, Air Flow Rate Testing, Duct Testing, Part F Ventilation Certificate, Part F Fan Testing, Part F Testing,


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Company No. 06728970