CertainTeed Lanaé NoiseReducer™ Sound Attenuation Batts are designed for use in residential and commercial wall and ceiling assemblies to effectively reduce unwanted noise. These sound-absorbing batts fill the void between interior standard studs, and break the path of sound for added privacy, quiet and peace of mind. They provide excellent acoustical performance to help reduce sound transmission between adjoining rooms. These lightweight, flexible products are easy to handle and fabricate on the job site and conform to irregular surfaces. The product resists mould and mildew and will not rot or deteriorate. The NoiseReducer Sound Attenuation Batts bring you long lasting comfort through increased thermal performance and reduced noise levels.