Offices Nationwide

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

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
Part E
Resistance of the Passage of Sound

Our other services include:
Warning: Invalid argument supplied for foreach() in /data04/elite/public_html/Office.php on line 769
Display Energy Certificate can also be known as:
DEC,
Copyright 2025 E2 Specialist Consultants Limited
Company No. 06728970
In County I
DEC in Inverness-shire, DEC in Isle of Anglesey, DEC in Isle of Man, DEC in Isle of Wight,