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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

Sound Intensity
Sound intensity's measured in Decibels (dB). An logarithmic scale where an increase of 10 dB gives an apparent doubling of loudness...more
Part L1B
Conservation of fuel and power in Existing Dwellings

Patchway - Sustainability Statements - 029 2193 0147
The office that covers this area is: Cardiff
Phone Number: 029 2193 0147 Email: patchway@e2consultants.co.uk
Our other services include:
Sustainability Statements can also be known as:
Domestic Sustainability Statement,


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