An important part of a good and healthy indoor climate is efficient sound absorption. It is an important factor in schools, kindergartens, sports centres and work places where the noise level can be considerable.

A high level of noise over a short or long period of time can influence the well-being of those who use the facilities and lead to health conditions. Worst case, it could lead to irreversible hearing damage.

Troldtekt is known – and renowned – for its excellent sound absorption properties, which help to reduce noise and create good acoustics in every room. So Troldtekt is the ‘natural’ choice for ceilings in most types of building.

On the following pages you will find a brief outline of some of the most important terms from the field of general acoustics: 
 

• Sound and noise  
• Frequency     
• Sound pressure     
• Reverberation time       
• Sound absorption      
• Speech intelligibility