fiberglassBOX™: Sound Transmission Class Rating
You may have heard of some of the many advantages that fiberglass reinforced polyester (FRP) electrical boxes offer electrical contractors over PVC and metal boxes. And with Allied Moulded's fiberglassBOX™ wall boxes, what you don't hear is just as compelling. That's because our series of FRP wall boxes have been performance tested to meet the International Building Code requirement, maintaining the sound rating of a wall up to a Sound Transmission Class (STC) 50—and without the need for costly sound pads or other ancillary sound protection. That means you can install two of our FRP boxes facing opposite sides of the wall within a single stud cavity without negatively affecting the wall's STC rating... or your bottom line. Talk about a sound solution.
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