Offices Nationwide

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!

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

County Londonderry - SAP Conversion Ratings - 0141 894 0107
The office that covers this area is: Glasgow
The towns & cities that are covered within this county are:
Aberfoyle, Coleraine, Eglinton, Limavady, Londonderry, Magherafelt, Portstewart,
Phone Number: 0141 894 0107 Email: county-londonderry@e2consultants.co.uk
Our other services include:
SAP Conversion Ratings can also be known as:
SAP Conversion Rating, SAP Conversion Calculations, SAP Conversion Assessment,


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