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How loud is too loud?
Noise above 85 dBA over time will cause hearing loss. In general, the louder the noise, the less time required before hearing loss...more

Air Testing & Leakage
We have a checklist you can download for Air Leakage Testing. If you follow our air tightness checklist, this will improve your likelihood to achieve a pass!
Thermal Bridging And Airtightness
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Defford - Part F Ventilation Certificates - 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:
Part F Ventilation Certificates can also be known as:
Ventilation Testing Equipment, Air Flow Rate Testing, Part F Fan Testing, Duct Testing, Part F Testing, Part F Ventilation Testing, Part F Ventilation Certificate, Ventilation Commissioning Certificate,


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