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Good Hearing?
A typical person with good hearing can hear from about 20Hz to 20kHz (the audio bandwidth). A person's voice will usually range from 500Hz to 2kHz...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
Part L1B
Conservation of fuel and power in Existing Dwellings

Grange over Sands - SAP Conversion Rating - 0191 633 0103
The office that covers this area is: Newcastle
Phone Number: 0191 633 0103 Email: grange-over-sands@e2consultants.co.uk
Our other services include:
SAP Conversion Rating can also be known as:
SAP Conversion Assessment, SAP Conversion Calculations,


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