Adequate sound insulation is also very important for a house or building. Sound insulation is intended to protect the users of the building from noise and thus provide them quality living and intimacy in their home. Sound is defined as mechanical vibrations and waves in the air. This waves cause our middle ear to produces waves that resolve in our brains as a tone, sound or noise.

When building wooden structures using a combination of materials with different sound insulation effectiveness, the same sound insulation values ​​can be achieved in wooden structures as in solid construction. Structural construction elements of Marles houses have been assessed in the laboratory for acoustics, and the results prove their exceptional sound insulation, which is provided in all Marles buildings. Data on sound insulation Rw for standard construction elements, from which Marles buildings are produced, were obtained from an independent institute “Holzforschung” in Vienna, Austria. 

Marles outer walls have a measured acoustic insulation of approx. Rw50 dB. This means that the walls reduce noise sources of 80 dB to the value of 30 dB on the other side of the wall. So the noise of a passenger car driving past the house can, so to say, not be heard in the rooms of a Marles house.

The most important insulation materials of Marles houses are mineral wool of quality DP5 and cellulose. A typical intertwined structure of mineral fibre provides mineral wool with excellent capabilities of sound insulation. It acts as a silencer of sound between the rooms while avoiding the transfer of hitting sounds such as walking, moving objects and jumping. Using mineral wool, traffic and industry noise are significantly reduced. The same properties are attributed to cellulose. Cellulose is machine-installed with no contacts, seams and thermal bridges, thereby providing very good sound insulation.