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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

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
Knighton - Part F Ventilation Certificates - 029 2193 0147
The office that covers this area is: Cardiff
Phone Number: 029 2193 0147 Email: knighton@e2consultants.co.uk
Our other services include:
Part F Ventilation Certificates can also be known as:
Duct Testing, Part F Ventilation Testing, Ventilation Commissioning Certificate, Part F Ventilation Certificate, Part F Testing, Part F Fan Testing, Air Flow Rate Testing, Ventilation Testing Equipment,


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