Noise Grabber Mass Loaded Vinyl (MLV) is the perfect solution for blocking noise and enhancing acoustics in homes offices music studios home theaters – and anywhere you need noise reduction. MLV helps deaden sound waves and vibrations and effectively reduces undesired noise. It can be used on walls ceilings floors around pipes or even in outdoor spaces. Noise Grabber MLV is extremely dense but flexible – making it an excellent barrier to prevent the transmission of sound. In fact Noise Grabber MLV receives best in class scores on reducing sound transmission in STC ratings. Noise Grabber MLV is safe non-toxic and easy to install. For wall installations place MLV against the studs then place drywall over it. MLV can also be placed over existing drywall.