Penetration Isolation Back Box - 270mm x 400mm

The penetration Isolation back box provides acoustic isolation in isolated wall installations where cables are required to penetrate the wall. The Back box is designed to be used in multi-layer wall installations with an 18mm plywood layer and then acoustic plasterboard layers over. The isolation back box is fitted to the plywood layer and fixed onto the studwork rails or resilliant channels. The plasterboard layer is then installed over the top.

Simple installation and cable isolation for stud work acoustic walls.