There is a company out there called Bonded Logic that is manufacturing a wide range of thermal and acoustical insulation products for multiple industries. All of their products are fire-rated and safe for the environment. They incorporate no harmful chemicals or irritants and do not pose off-gassing or VOC concerns. One of their products is called UltraTouch, which is an insulator made from high-quality natural fibers and contains over 85% recycled denim and cotton fibers. It is extremely effective for both sound absorption and maximum thermal insulation in homes or other architectural structures. UltraTouch is also itch-free, making it is harmless and easy to install.