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![Did you know County_Down](/images/didyouknow.png)
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
![Did you know County_Down](/images/didyouknow.png)
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
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Domestic Building Thermal Imaging Survey Quote in County Down
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