Glass wool is not the best soundproofing products, the best products are rock wool boards, felts.
The most effective and affordable sound-absorbing practices: Use all-purpose adhesive to adhere 3-cm thick cystosepiments to the ceiling, then covered cystosepiments with gauze and white latex, apply 2- to 3-mm thick sound-absorbing coatings after air-dry. This construction method is better than the 5-cm thick polyester fiber boards in the market which are 160 yuan per square meter. I was engaged in soundproof engineering in Chengdu, this is my practical construction program, these materials can be bought on Taobao, I hope my answer can help you.
sound absorption and insulation, silencer sponge and foam.
If you want to be simple, use sound barrier mats. If you want to be a completely soundproof environment, use sound absorption materials. If you use glass wool, you have to be aware of skin and respiratory tract infection.
Windows need to be soundproof. Curtains need to be thick. Rental house has to change windows and doors. Double-pane glass windows have better sound absorption performance.
