It is effective in reducing airborne noise (people talking, or Television noise). MLV will not prevent impact sounds (such as walking or children leaping) from the level above. For a ceiling MLV install, it is essential to understand what MLV will and will not accomplish. The second most typical location for MLV installation is the ceiling. mud the drywall joints and complete the wall or ceiling according to your specifications.In order to obtain adequate sound isolation, proper sealing is required. The perimeter seams should be caulked with Acoustical Sealant. Install your drywall vertically or horizontally over the MLV.See the Handling Seams page for specific instructions. Overlap components by 2 inches where MLV seams lie between studs. Wherever MLV seams meet a stud, butt pieces together and glue them using Vinyl or Foil Tape. Repeat steps 1 through 6 until the MLV covers the whole wall or ceiling.Before installing MLV, use Putty Pads over outlet boxes for optimum sound isolation.Keep this hole as tight to the box as possible in order to ensure a good seal. Use a razor blade knife, cut along the box’s edges to create an opening. Locate the outlet box in the wall and press the MLV lightly against it. It is ideal to expose the plug boxes when each piece of MLV is installed. Carefully avoid covering electrical outlet boxes.For framing with a 24″ on-center distance, hammer an extra nail into the top and bottom plates between each stud. ![]()
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