If you want to overcome the effect of the current world, always hectic and more urban than ever, then you should soundproof your space. Whether residential, community space, or office buildings, unwanted sounds from heavy traffic, the construction industry, noisy neighbors, or other noise generators can have a significant impact on your quality of life, besides psychophysical health. Therefore, this article explores thoroughly the world of noise insulation: the benefits, the potential drawbacks, and useful tips for those who want to improve the acoustic comfort of their spaces.