Soundproof wall constructing component, has cartridge comprising frame structure made of concrete, metal or wood, where sound-absorbing lingo-cellulosic additive is arranged in cartridge and is available in loose fill

摘要

The component has an accommodating device for accommodating a sound-absorbing lingo-cellulosic additive (4) and formed as a unilateral open cartridge (1) with a closing structure (2). A frame structure (3) of the cartridge is made of concrete, metal or wood, and the sound-absorbing lingo-cellulosic additive is arranged in the cartridge in connection with a concrete mixing and is available in loose fill. The additive has a core provided with a salt load.