Penetration seals often do not meet the sound reduction index required for the building element. However, the seals usually only account for a small part of the surface area. Consequently, the somewhat lower sound reduction index of the penetration seal only has a minor impact, as the overall sound reduction index is made up of the sound reduction indexes of the individual areas.
The sound reduction index Rw refers to the airborne sound insulation performance of a building element. If a wall is constructed, for example, the sound reduction index plays an important role in ensuring that the sound insulation in buildings meets the requirements of standards. To ensure sound insulation in apartment buildings, office buildings, hospitals, schools, childcare facilities, or hotels, particular sound reduction index values must be adhered to.
FLAMRO® penetration sealing systems have therefore been tested with regard to their sound insulation properties by accredited testing institutes in standardised test procedures. To this end, unoccupied penetration seals and penetration seals with different configurations (pipes, cables, cable bundles, or cable support systems) have been tested.
