Construction Techniques:
Take drywall off on one side, then the joists/studding, electrical boxes inside is caulked well and our 1/4" acoustical mat is glued to the opposite inside wall and the exposed studding is covered, too. Our "Silencer" flooring (MLV) is stapled to the joists/studding, covering the ceiling/wall completely. Seams are sealed with
caulk or tape. (Lead tape improves the seam seal). For an 8' high wall, three RC-1 channels are installed horizontally over the wall, one in the middle, one at the top and bottom, located a few inches down to avoid the footer and header. Then 5/8" "firecode" drywall (this is now also available with a lead foil covering) and is laid out on sawhorses and covered with a layer of the 1/4" foam mat using contact cement and a roller. These panels are installed on the channels with screws and is supported by 2" square vibration pads located every 2 feet or so. The bottom of the drywall is caulked tight and the seams too.
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