SoundAway Barrier (11003) miniRoll-Wide, 1/8" x 4.5' x 5', is a dense, 1 pound per square foot, flexible, soundproofing mass loaded vinyl (MLV) noise barrier designed to block and reflect sound. Install a layer of SoundAway Barrier to soundproof walls, floors, and ceiling surfaces.  Apply SoundAway Seam Tape to cover the seams of the MLV.  Apply Acoustical Caulk around the perimeter and in gaps to create an air-tight seal.  Save 10% on a full roll.