If you are looking for Which kind of insulation is best for soundproofing? Then mineral wool is the answer. Mineral wool is a fibrous materials constructed from molten rock or slag spun into fantastic fibers. It is a well-liked option for soundproofing for its exceptional thermal and acoustic insulation properties. https://epeliv086iap3.jts-blog.com/26475804/how-soundproof-windows-can-save-you-time-stress-and-money