What are the most common materials used to improve acoustic insulation and what are their properties?

Materials used for improving acoustic insulation include dense mineral wool, hard rubber gums, gypsum plasterboards with acoustic inserts, rubber acoustic mats, special insulation boards, and flexible sound-absorbing materials. Each of these materials has unique properties that affect the effectiveness of acoustic insulation. For example, mineral wool is characterized by excellent sound absorption capabilities. Gypsum plasterboards with acoustic inserts provide insulation against both airborne and impact noises. Acoustic mats are flexible and can be easily tailored to different surfaces, while special insulation boards are effective in reducing sound transmitted through building structures. The choice of the appropriate material depends on the specifics of the project and expectations regarding the effectiveness of acoustic insulation.