We won’t be returning to the topic of soundproof doors for a while, so now that you know all about the doors we thought that we would do what we do very occasionally and go off piste a little – and conclude this series of articles with three interesting facts about sound itself … So […]

In the second of our new series of articles on soundproof doors we’re going to take another look at the unit that measures the loudness of a sound, namely the Decibel.  We need to understand how this unit operates so that we can understand relative noise reduction. The Decibel scale The Decibel is a logarithmic […]